Home / 21,905.52-32,877.80-10,225.36

Finding the Fourth Proportional to 21,905.52, 32,877.80 and 10,225.36

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Solution

The fourth proportional to 21,905.52, 32,877.80 and 10,225.36 is: 15,347.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,905.52 : 32,877.80 = 10,225.36 : x
  2. Step 2: Convert to fraction form
    21,905.52/32,877.80 = 10,225.36/x
  3. Step 3: Cross multiply
    21,905.52x = 32,877.80 × 10,225.36
  4. Step 4: Simplify right side
    21,905.52x = 336,187,341.01
  5. Step 5: Solve for x
    x = 336,187,341.01/21,905.52
  6. Step 6: Final answer
    x = 15,347.15

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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.