Home / 26,406.78-39,572.88-13,901.58

Finding the Fourth Proportional to 26,406.78, 39,572.88 and 13,901.58

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Solution

The fourth proportional to 26,406.78, 39,572.88 and 13,901.58 is: 20,832.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,406.78 : 39,572.88 = 13,901.58 : x
  2. Step 2: Convert to fraction form
    26,406.78/39,572.88 = 13,901.58/x
  3. Step 3: Cross multiply
    26,406.78x = 39,572.88 × 13,901.58
  4. Step 4: Simplify right side
    26,406.78x = 550,125,557.15
  5. Step 5: Solve for x
    x = 550,125,557.15/26,406.78
  6. Step 6: Final answer
    x = 20,832.74

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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.