Home / 25,064.68-34,510.53-21,279.94

Finding the Fourth Proportional to 25,064.68, 34,510.53 and 21,279.94

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Solution

The fourth proportional to 25,064.68, 34,510.53 and 21,279.94 is: 29,299.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,064.68 : 34,510.53 = 21,279.94 : x
  2. Step 2: Convert to fraction form
    25,064.68/34,510.53 = 21,279.94/x
  3. Step 3: Cross multiply
    25,064.68x = 34,510.53 × 21,279.94
  4. Step 4: Simplify right side
    25,064.68x = 734,382,007.77
  5. Step 5: Solve for x
    x = 734,382,007.77/25,064.68
  6. Step 6: Final answer
    x = 29,299.48

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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.