Home / 26,542.28-39,838.04-13,403.89

Finding the Fourth Proportional to 26,542.28, 39,838.04 and 13,403.89

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Solution

The fourth proportional to 26,542.28, 39,838.04 and 13,403.89 is: 20,118.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,542.28 : 39,838.04 = 13,403.89 : x
  2. Step 2: Convert to fraction form
    26,542.28/39,838.04 = 13,403.89/x
  3. Step 3: Cross multiply
    26,542.28x = 39,838.04 × 13,403.89
  4. Step 4: Simplify right side
    26,542.28x = 533,984,439.77
  5. Step 5: Solve for x
    x = 533,984,439.77/26,542.28
  6. Step 6: Final answer
    x = 20,118.26

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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.