Home / 28,115.84-38,828.91-24,320.79

Finding the Fourth Proportional to 28,115.84, 38,828.91 and 24,320.79

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Solution

The fourth proportional to 28,115.84, 38,828.91 and 24,320.79 is: 33,587.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,115.84 : 38,828.91 = 24,320.79 : x
  2. Step 2: Convert to fraction form
    28,115.84/38,828.91 = 24,320.79/x
  3. Step 3: Cross multiply
    28,115.84x = 38,828.91 × 24,320.79
  4. Step 4: Simplify right side
    28,115.84x = 944,349,766.04
  5. Step 5: Solve for x
    x = 944,349,766.04/28,115.84
  6. Step 6: Final answer
    x = 33,587.82

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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.