Home / 28,896.47-43,358.45-20,025.45

Finding the Fourth Proportional to 28,896.47, 43,358.45 and 20,025.45

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Solution

The fourth proportional to 28,896.47, 43,358.45 and 20,025.45 is: 30,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896.47 : 43,358.45 = 20,025.45 : x
  2. Step 2: Convert to fraction form
    28,896.47/43,358.45 = 20,025.45/x
  3. Step 3: Cross multiply
    28,896.47x = 43,358.45 × 20,025.45
  4. Step 4: Simplify right side
    28,896.47x = 868,272,472.55
  5. Step 5: Solve for x
    x = 868,272,472.55/28,896.47
  6. Step 6: Final answer
    x = 30,047.70

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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.