Home / 57,120.64-85,680.08-15,567.52

Finding the Fourth Proportional to 57,120.64, 85,680.08 and 15,567.52

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Solution

The fourth proportional to 57,120.64, 85,680.08 and 15,567.52 is: 23,351.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,120.64 : 85,680.08 = 15,567.52 : x
  2. Step 2: Convert to fraction form
    57,120.64/85,680.08 = 15,567.52/x
  3. Step 3: Cross multiply
    57,120.64x = 85,680.08 × 15,567.52
  4. Step 4: Simplify right side
    57,120.64x = 1,333,826,359.00
  5. Step 5: Solve for x
    x = 1,333,826,359.00/57,120.64
  6. Step 6: Final answer
    x = 23,351.04

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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.