Home / 28,123.81-38,839.91-24,328.76

Finding the Fourth Proportional to 28,123.81, 38,839.91 and 24,328.76

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Solution

The fourth proportional to 28,123.81, 38,839.91 and 24,328.76 is: 33,598.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,123.81 : 38,839.91 = 24,328.76 : x
  2. Step 2: Convert to fraction form
    28,123.81/38,839.91 = 24,328.76/x
  3. Step 3: Cross multiply
    28,123.81x = 38,839.91 × 24,328.76
  4. Step 4: Simplify right side
    28,123.81x = 944,926,532.97
  5. Step 5: Solve for x
    x = 944,926,532.97/28,123.81
  6. Step 6: Final answer
    x = 33,598.81

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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.