Home / 28,503.01-42,545.78-25,136.31

Finding the Fourth Proportional to 28,503.01, 42,545.78 and 25,136.31

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Solution

The fourth proportional to 28,503.01, 42,545.78 and 25,136.31 is: 37,520.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,503.01 : 42,545.78 = 25,136.31 : x
  2. Step 2: Convert to fraction form
    28,503.01/42,545.78 = 25,136.31/x
  3. Step 3: Cross multiply
    28,503.01x = 42,545.78 × 25,136.31
  4. Step 4: Simplify right side
    28,503.01x = 1,069,444,137.66
  5. Step 5: Solve for x
    x = 1,069,444,137.66/28,503.01
  6. Step 6: Final answer
    x = 37,520.39

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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.