Home / 57,418.04-86,117.34-15,865.16

Finding the Fourth Proportional to 57,418.04, 86,117.34 and 15,865.16

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Solution

The fourth proportional to 57,418.04, 86,117.34 and 15,865.16 is: 23,795.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,418.04 : 86,117.34 = 15,865.16 : x
  2. Step 2: Convert to fraction form
    57,418.04/86,117.34 = 15,865.16/x
  3. Step 3: Cross multiply
    57,418.04x = 86,117.34 × 15,865.16
  4. Step 4: Simplify right side
    57,418.04x = 1,366,265,377.87
  5. Step 5: Solve for x
    x = 1,366,265,377.87/57,418.04
  6. Step 6: Final answer
    x = 23,795.05

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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.