Home / 28,931.20-43,483.20-25,129.60

Finding the Fourth Proportional to 28,931.20, 43,483.20 and 25,129.60

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Solution

The fourth proportional to 28,931.20, 43,483.20 and 25,129.60 is: 37,769.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931.20 : 43,483.20 = 25,129.60 : x
  2. Step 2: Convert to fraction form
    28,931.20/43,483.20 = 25,129.60/x
  3. Step 3: Cross multiply
    28,931.20x = 43,483.20 × 25,129.60
  4. Step 4: Simplify right side
    28,931.20x = 1,092,715,422.72
  5. Step 5: Solve for x
    x = 1,092,715,422.72/28,931.20
  6. Step 6: Final answer
    x = 37,769.45

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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.