Home / 26,280.73-39,426.29-9,640.91

Finding the Fourth Proportional to 26,280.73, 39,426.29 and 9,640.91

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Solution

The fourth proportional to 26,280.73, 39,426.29 and 9,640.91 is: 14,463.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,280.73 : 39,426.29 = 9,640.91 : x
  2. Step 2: Convert to fraction form
    26,280.73/39,426.29 = 9,640.91/x
  3. Step 3: Cross multiply
    26,280.73x = 39,426.29 × 9,640.91
  4. Step 4: Simplify right side
    26,280.73x = 380,105,363.89
  5. Step 5: Solve for x
    x = 380,105,363.89/26,280.73
  6. Step 6: Final answer
    x = 14,463.27

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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.