Home / 28,156.82-42,283.58-25,001.42

Finding the Fourth Proportional to 28,156.82, 42,283.58 and 25,001.42

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Solution

The fourth proportional to 28,156.82, 42,283.58 and 25,001.42 is: 37,545.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,156.82 : 42,283.58 = 25,001.42 : x
  2. Step 2: Convert to fraction form
    28,156.82/42,283.58 = 25,001.42/x
  3. Step 3: Cross multiply
    28,156.82x = 42,283.58 × 25,001.42
  4. Step 4: Simplify right side
    28,156.82x = 1,057,149,206.26
  5. Step 5: Solve for x
    x = 1,057,149,206.26/28,156.82
  6. Step 6: Final answer
    x = 37,545.06

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1.5x scale

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.