Home / 25,152.72-34,710.92-15,726.80

Finding the Fourth Proportional to 25,152.72, 34,710.92 and 15,726.80

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Solution

The fourth proportional to 25,152.72, 34,710.92 and 15,726.80 is: 21,703.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,152.72 : 34,710.92 = 15,726.80 : x
  2. Step 2: Convert to fraction form
    25,152.72/34,710.92 = 15,726.80/x
  3. Step 3: Cross multiply
    25,152.72x = 34,710.92 × 15,726.80
  4. Step 4: Simplify right side
    25,152.72x = 545,891,696.66
  5. Step 5: Solve for x
    x = 545,891,696.66/25,152.72
  6. Step 6: Final answer
    x = 21,703.09

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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.