Home / 29,251.12-40,366.50-15,822.34

Finding the Fourth Proportional to 29,251.12, 40,366.50 and 15,822.34

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Solution

The fourth proportional to 29,251.12, 40,366.50 and 15,822.34 is: 21,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,251.12 : 40,366.50 = 15,822.34 : x
  2. Step 2: Convert to fraction form
    29,251.12/40,366.50 = 15,822.34/x
  3. Step 3: Cross multiply
    29,251.12x = 40,366.50 × 15,822.34
  4. Step 4: Simplify right side
    29,251.12x = 638,692,487.61
  5. Step 5: Solve for x
    x = 638,692,487.61/29,251.12
  6. Step 6: Final answer
    x = 21,834.80

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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.