Home / 26,459.65-39,689.88-20,230.75

Finding the Fourth Proportional to 26,459.65, 39,689.88 and 20,230.75

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Solution

The fourth proportional to 26,459.65, 39,689.88 and 20,230.75 is: 30,346.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,459.65 : 39,689.88 = 20,230.75 : x
  2. Step 2: Convert to fraction form
    26,459.65/39,689.88 = 20,230.75/x
  3. Step 3: Cross multiply
    26,459.65x = 39,689.88 × 20,230.75
  4. Step 4: Simplify right side
    26,459.65x = 802,956,039.81
  5. Step 5: Solve for x
    x = 802,956,039.81/26,459.65
  6. Step 6: Final answer
    x = 30,346.43

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.