Home / 28,292.42-39,044.27-15,545.93

Finding the Fourth Proportional to 28,292.42, 39,044.27 and 15,545.93

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Solution

The fourth proportional to 28,292.42, 39,044.27 and 15,545.93 is: 21,453.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,292.42 : 39,044.27 = 15,545.93 : x
  2. Step 2: Convert to fraction form
    28,292.42/39,044.27 = 15,545.93/x
  3. Step 3: Cross multiply
    28,292.42x = 39,044.27 × 15,545.93
  4. Step 4: Simplify right side
    28,292.42x = 606,979,624.80
  5. Step 5: Solve for x
    x = 606,979,624.80/28,292.42
  6. Step 6: Final answer
    x = 21,453.79

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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.