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Finding the Fourth Proportional to 57,009.60, 85,523.76 and 17,566.72

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Solution

The fourth proportional to 57,009.60, 85,523.76 and 17,566.72 is: 26,352.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,009.60 : 85,523.76 = 17,566.72 : x
  2. Step 2: Convert to fraction form
    57,009.60/85,523.76 = 17,566.72/x
  3. Step 3: Cross multiply
    57,009.60x = 85,523.76 × 17,566.72
  4. Step 4: Simplify right side
    57,009.60x = 1,502,371,945.27
  5. Step 5: Solve for x
    x = 1,502,371,945.27/57,009.60
  6. Step 6: Final answer
    x = 26,352.96

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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.