Home / 21,957.49-32,871.63-13,610.71

Finding the Fourth Proportional to 21,957.49, 32,871.63 and 13,610.71

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Solution

The fourth proportional to 21,957.49, 32,871.63 and 13,610.71 is: 20,376.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,957.49 : 32,871.63 = 13,610.71 : x
  2. Step 2: Convert to fraction form
    21,957.49/32,871.63 = 13,610.71/x
  3. Step 3: Cross multiply
    21,957.49x = 32,871.63 × 13,610.71
  4. Step 4: Simplify right side
    21,957.49x = 447,406,058.80
  5. Step 5: Solve for x
    x = 447,406,058.80/21,957.49
  6. Step 6: Final answer
    x = 20,376.02

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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.