Home / 20,562.48-28,386.90-14,263.92

Finding the Fourth Proportional to 20,562.48, 28,386.90 and 14,263.92

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Solution

The fourth proportional to 20,562.48, 28,386.90 and 14,263.92 is: 19,691.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562.48 : 28,386.90 = 14,263.92 : x
  2. Step 2: Convert to fraction form
    20,562.48/28,386.90 = 14,263.92/x
  3. Step 3: Cross multiply
    20,562.48x = 28,386.90 × 14,263.92
  4. Step 4: Simplify right side
    20,562.48x = 404,908,470.65
  5. Step 5: Solve for x
    x = 404,908,470.65/20,562.48
  6. Step 6: Final answer
    x = 19,691.62

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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.