Home / 26,400.90-39,605.85-9,761.01

Finding the Fourth Proportional to 26,400.90, 39,605.85 and 9,761.01

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Solution

The fourth proportional to 26,400.90, 39,605.85 and 9,761.01 is: 14,643.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,400.90 : 39,605.85 = 9,761.01 : x
  2. Step 2: Convert to fraction form
    26,400.90/39,605.85 = 9,761.01/x
  3. Step 3: Cross multiply
    26,400.90x = 39,605.85 × 9,761.01
  4. Step 4: Simplify right side
    26,400.90x = 386,593,097.91
  5. Step 5: Solve for x
    x = 386,593,097.91/26,400.90
  6. Step 6: Final answer
    x = 14,643.18

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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.