Home / 21,526.52-32,101.40-21,329.68

Finding the Fourth Proportional to 21,526.52, 32,101.40 and 21,329.68

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Solution

The fourth proportional to 21,526.52, 32,101.40 and 21,329.68 is: 31,807.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,526.52 : 32,101.40 = 21,329.68 : x
  2. Step 2: Convert to fraction form
    21,526.52/32,101.40 = 21,329.68/x
  3. Step 3: Cross multiply
    21,526.52x = 32,101.40 × 21,329.68
  4. Step 4: Simplify right side
    21,526.52x = 684,712,589.55
  5. Step 5: Solve for x
    x = 684,712,589.55/21,526.52
  6. Step 6: Final answer
    x = 31,807.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.