Home / 28,767.68-39,721.92-22,497.92

Finding the Fourth Proportional to 28,767.68, 39,721.92 and 22,497.92

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Solution

The fourth proportional to 28,767.68, 39,721.92 and 22,497.92 is: 31,064.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,767.68 : 39,721.92 = 22,497.92 : x
  2. Step 2: Convert to fraction form
    28,767.68/39,721.92 = 22,497.92/x
  3. Step 3: Cross multiply
    28,767.68x = 39,721.92 × 22,497.92
  4. Step 4: Simplify right side
    28,767.68x = 893,660,578.41
  5. Step 5: Solve for x
    x = 893,660,578.41/28,767.68
  6. Step 6: Final answer
    x = 31,064.74

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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.