Home / 21,869.16-32,764.10-10,032.85

Finding the Fourth Proportional to 21,869.16, 32,764.10 and 10,032.85

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Solution

The fourth proportional to 21,869.16, 32,764.10 and 10,032.85 is: 15,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,869.16 : 32,764.10 = 10,032.85 : x
  2. Step 2: Convert to fraction form
    21,869.16/32,764.10 = 10,032.85/x
  3. Step 3: Cross multiply
    21,869.16x = 32,764.10 × 10,032.85
  4. Step 4: Simplify right side
    21,869.16x = 328,717,107.18
  5. Step 5: Solve for x
    x = 328,717,107.18/21,869.16
  6. Step 6: Final answer
    x = 15,031.08

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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.