Home / 19,320.40-29,002.20-14,957.20

Finding the Fourth Proportional to 19,320.40, 29,002.20 and 14,957.20

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Solution

The fourth proportional to 19,320.40, 29,002.20 and 14,957.20 is: 22,452.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320.40 : 29,002.20 = 14,957.20 : x
  2. Step 2: Convert to fraction form
    19,320.40/29,002.20 = 14,957.20/x
  3. Step 3: Cross multiply
    19,320.40x = 29,002.20 × 14,957.20
  4. Step 4: Simplify right side
    19,320.40x = 433,791,705.84
  5. Step 5: Solve for x
    x = 433,791,705.84/19,320.40
  6. Step 6: Final answer
    x = 22,452.52

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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.