Home / 25,312.38-34,934.04-21,055.92

Finding the Fourth Proportional to 25,312.38, 34,934.04 and 21,055.92

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Solution

The fourth proportional to 25,312.38, 34,934.04 and 21,055.92 is: 29,059.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,312.38 : 34,934.04 = 21,055.92 : x
  2. Step 2: Convert to fraction form
    25,312.38/34,934.04 = 21,055.92/x
  3. Step 3: Cross multiply
    25,312.38x = 34,934.04 × 21,055.92
  4. Step 4: Simplify right side
    25,312.38x = 735,568,351.52
  5. Step 5: Solve for x
    x = 735,568,351.52/25,312.38
  6. Step 6: Final answer
    x = 29,059.63

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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.