Home / 19,716.60-29,551.80-15,320.72

Finding the Fourth Proportional to 19,716.60, 29,551.80 and 15,320.72

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Solution

The fourth proportional to 19,716.60, 29,551.80 and 15,320.72 is: 22,963.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,716.60 : 29,551.80 = 15,320.72 : x
  2. Step 2: Convert to fraction form
    19,716.60/29,551.80 = 15,320.72/x
  3. Step 3: Cross multiply
    19,716.60x = 29,551.80 × 15,320.72
  4. Step 4: Simplify right side
    19,716.60x = 452,754,853.30
  5. Step 5: Solve for x
    x = 452,754,853.30/19,716.60
  6. Step 6: Final answer
    x = 22,963.13

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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.