Home / 21,715.52-32,530.85-14,959.91

Finding the Fourth Proportional to 21,715.52, 32,530.85 and 14,959.91

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Solution

The fourth proportional to 21,715.52, 32,530.85 and 14,959.91 is: 22,410.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,715.52 : 32,530.85 = 14,959.91 : x
  2. Step 2: Convert to fraction form
    21,715.52/32,530.85 = 14,959.91/x
  3. Step 3: Cross multiply
    21,715.52x = 32,530.85 × 14,959.91
  4. Step 4: Simplify right side
    21,715.52x = 486,658,584.96
  5. Step 5: Solve for x
    x = 486,658,584.96/21,715.52
  6. Step 6: Final answer
    x = 22,410.64

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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.