Home / 28,159.40-42,287.33-25,003.94

Finding the Fourth Proportional to 28,159.40, 42,287.33 and 25,003.94

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Solution

The fourth proportional to 28,159.40, 42,287.33 and 25,003.94 is: 37,548.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,159.40 : 42,287.33 = 25,003.94 : x
  2. Step 2: Convert to fraction form
    28,159.40/42,287.33 = 25,003.94/x
  3. Step 3: Cross multiply
    28,159.40x = 42,287.33 × 25,003.94
  4. Step 4: Simplify right side
    28,159.40x = 1,057,349,713.15
  5. Step 5: Solve for x
    x = 1,057,349,713.15/28,159.40
  6. Step 6: Final answer
    x = 37,548.73

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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.