Home / 28,545.12-39,394.08-15,973.92

Finding the Fourth Proportional to 28,545.12, 39,394.08 and 15,973.92

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Solution

The fourth proportional to 28,545.12, 39,394.08 and 15,973.92 is: 22,045.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,545.12 : 39,394.08 = 15,973.92 : x
  2. Step 2: Convert to fraction form
    28,545.12/39,394.08 = 15,973.92/x
  3. Step 3: Cross multiply
    28,545.12x = 39,394.08 × 15,973.92
  4. Step 4: Simplify right side
    28,545.12x = 629,277,882.39
  5. Step 5: Solve for x
    x = 629,277,882.39/28,545.12
  6. Step 6: Final answer
    x = 22,045.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.