Home / 26,385.12-36,411.39-14,898.78

Finding the Fourth Proportional to 26,385.12, 36,411.39 and 14,898.78

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Solution

The fourth proportional to 26,385.12, 36,411.39 and 14,898.78 is: 20,560.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,385.12 : 36,411.39 = 14,898.78 : x
  2. Step 2: Convert to fraction form
    26,385.12/36,411.39 = 14,898.78/x
  3. Step 3: Cross multiply
    26,385.12x = 36,411.39 × 14,898.78
  4. Step 4: Simplify right side
    26,385.12x = 542,485,289.10
  5. Step 5: Solve for x
    x = 542,485,289.10/26,385.12
  6. Step 6: Final answer
    x = 20,560.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.