Home / 45,025.28-62,128.32-28,263.68

Finding the Fourth Proportional to 45,025.28, 62,128.32 and 28,263.68

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Solution

The fourth proportional to 45,025.28, 62,128.32 and 28,263.68 is: 38,999.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,025.28 : 62,128.32 = 28,263.68 : x
  2. Step 2: Convert to fraction form
    45,025.28/62,128.32 = 28,263.68/x
  3. Step 3: Cross multiply
    45,025.28x = 62,128.32 × 28,263.68
  4. Step 4: Simplify right side
    45,025.28x = 1,755,974,955.42
  5. Step 5: Solve for x
    x = 1,755,974,955.42/45,025.28
  6. Step 6: Final answer
    x = 38,999.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.