Home / 26,108.40-39,162.60-6,386.70

Finding the Fourth Proportional to 26,108.40, 39,162.60 and 6,386.70

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Solution

The fourth proportional to 26,108.40, 39,162.60 and 6,386.70 is: 9,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,108.40 : 39,162.60 = 6,386.70 : x
  2. Step 2: Convert to fraction form
    26,108.40/39,162.60 = 6,386.70/x
  3. Step 3: Cross multiply
    26,108.40x = 39,162.60 × 6,386.70
  4. Step 4: Simplify right side
    26,108.40x = 250,119,777.42
  5. Step 5: Solve for x
    x = 250,119,777.42/26,108.40
  6. Step 6: Final answer
    x = 9,580.05

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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.