Home / 26,459.60-39,670.20-10,869.20

Finding the Fourth Proportional to 26,459.60, 39,670.20 and 10,869.20

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Solution

The fourth proportional to 26,459.60, 39,670.20 and 10,869.20 is: 16,295.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,459.60 : 39,670.20 = 10,869.20 : x
  2. Step 2: Convert to fraction form
    26,459.60/39,670.20 = 10,869.20/x
  3. Step 3: Cross multiply
    26,459.60x = 39,670.20 × 10,869.20
  4. Step 4: Simplify right side
    26,459.60x = 431,183,337.84
  5. Step 5: Solve for x
    x = 431,183,337.84/26,459.60
  6. Step 6: Final answer
    x = 16,295.91

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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.