Home / 28,235.28-42,146.76-26,179.52

Finding the Fourth Proportional to 28,235.28, 42,146.76 and 26,179.52

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Solution

The fourth proportional to 28,235.28, 42,146.76 and 26,179.52 is: 39,078.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,235.28 : 42,146.76 = 26,179.52 : x
  2. Step 2: Convert to fraction form
    28,235.28/42,146.76 = 26,179.52/x
  3. Step 3: Cross multiply
    28,235.28x = 42,146.76 × 26,179.52
  4. Step 4: Simplify right side
    28,235.28x = 1,103,381,946.36
  5. Step 5: Solve for x
    x = 1,103,381,946.36/28,235.28
  6. Step 6: Final answer
    x = 39,078.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.