Home / 28,363.42-42,545.14-12,762.82

Finding the Fourth Proportional to 28,363.42, 42,545.14 and 12,762.82

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Solution

The fourth proportional to 28,363.42, 42,545.14 and 12,762.82 is: 19,144.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,363.42 : 42,545.14 = 12,762.82 : x
  2. Step 2: Convert to fraction form
    28,363.42/42,545.14 = 12,762.82/x
  3. Step 3: Cross multiply
    28,363.42x = 42,545.14 × 12,762.82
  4. Step 4: Simplify right side
    28,363.42x = 542,995,963.69
  5. Step 5: Solve for x
    x = 542,995,963.69/28,363.42
  6. Step 6: Final answer
    x = 19,144.23

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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.