Home / 21,456.60-32,117.46-14,862.79

Finding the Fourth Proportional to 21,456.60, 32,117.46 and 14,862.79

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Solution

The fourth proportional to 21,456.60, 32,117.46 and 14,862.79 is: 22,247.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,456.60 : 32,117.46 = 14,862.79 : x
  2. Step 2: Convert to fraction form
    21,456.60/32,117.46 = 14,862.79/x
  3. Step 3: Cross multiply
    21,456.60x = 32,117.46 × 14,862.79
  4. Step 4: Simplify right side
    21,456.60x = 477,355,063.31
  5. Step 5: Solve for x
    x = 477,355,063.31/21,456.60
  6. Step 6: Final answer
    x = 22,247.47

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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.