Home / 57,155.22-85,723.11-15,592.50

Finding the Fourth Proportional to 57,155.22, 85,723.11 and 15,592.50

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Solution

The fourth proportional to 57,155.22, 85,723.11 and 15,592.50 is: 23,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,155.22 : 85,723.11 = 15,592.50 : x
  2. Step 2: Convert to fraction form
    57,155.22/85,723.11 = 15,592.50/x
  3. Step 3: Cross multiply
    57,155.22x = 85,723.11 × 15,592.50
  4. Step 4: Simplify right side
    57,155.22x = 1,336,637,592.68
  5. Step 5: Solve for x
    x = 1,336,637,592.68/57,155.22
  6. Step 6: Final answer
    x = 23,386.10

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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.