Home / 20,488.38-30,710.64-14,627.22

Finding the Fourth Proportional to 20,488.38, 30,710.64 and 14,627.22

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Solution

The fourth proportional to 20,488.38, 30,710.64 and 14,627.22 is: 21,925.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,488.38 : 30,710.64 = 14,627.22 : x
  2. Step 2: Convert to fraction form
    20,488.38/30,710.64 = 14,627.22/x
  3. Step 3: Cross multiply
    20,488.38x = 30,710.64 × 14,627.22
  4. Step 4: Simplify right side
    20,488.38x = 449,211,287.62
  5. Step 5: Solve for x
    x = 449,211,287.62/20,488.38
  6. Step 6: Final answer
    x = 21,925.17

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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.