Home / 25,064.27-34,509.79-21,279.95

Finding the Fourth Proportional to 25,064.27, 34,509.79 and 21,279.95

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Solution

The fourth proportional to 25,064.27, 34,509.79 and 21,279.95 is: 29,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,064.27 : 34,509.79 = 21,279.95 : x
  2. Step 2: Convert to fraction form
    25,064.27/34,509.79 = 21,279.95/x
  3. Step 3: Cross multiply
    25,064.27x = 34,509.79 × 21,279.95
  4. Step 4: Simplify right side
    25,064.27x = 734,366,605.71
  5. Step 5: Solve for x
    x = 734,366,605.71/25,064.27
  6. Step 6: Final answer
    x = 29,299.34

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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.