Home / 29,385.04-40,551.26-15,956.20

Finding the Fourth Proportional to 29,385.04, 40,551.26 and 15,956.20

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Solution

The fourth proportional to 29,385.04, 40,551.26 and 15,956.20 is: 22,019.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,385.04 : 40,551.26 = 15,956.20 : x
  2. Step 2: Convert to fraction form
    29,385.04/40,551.26 = 15,956.20/x
  3. Step 3: Cross multiply
    29,385.04x = 40,551.26 × 15,956.20
  4. Step 4: Simplify right side
    29,385.04x = 647,044,014.81
  5. Step 5: Solve for x
    x = 647,044,014.81/29,385.04
  6. Step 6: Final answer
    x = 22,019.50

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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.