Home / 57,397.36-86,102.65-15,278.02

Finding the Fourth Proportional to 57,397.36, 86,102.65 and 15,278.02

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Solution

The fourth proportional to 57,397.36, 86,102.65 and 15,278.02 is: 22,918.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,397.36 : 86,102.65 = 15,278.02 : x
  2. Step 2: Convert to fraction form
    57,397.36/86,102.65 = 15,278.02/x
  3. Step 3: Cross multiply
    57,397.36x = 86,102.65 × 15,278.02
  4. Step 4: Simplify right side
    57,397.36x = 1,315,477,726.66
  5. Step 5: Solve for x
    x = 1,315,477,726.66/57,397.36
  6. Step 6: Final answer
    x = 22,918.78

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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.