Home / 28,096.68-38,773.38-15,521.43

Finding the Fourth Proportional to 28,096.68, 38,773.38 and 15,521.43

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Solution

The fourth proportional to 28,096.68, 38,773.38 and 15,521.43 is: 21,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,096.68 : 38,773.38 = 15,521.43 : x
  2. Step 2: Convert to fraction form
    28,096.68/38,773.38 = 15,521.43/x
  3. Step 3: Cross multiply
    28,096.68x = 38,773.38 × 15,521.43
  4. Step 4: Simplify right side
    28,096.68x = 601,818,303.53
  5. Step 5: Solve for x
    x = 601,818,303.53/28,096.68
  6. Step 6: Final answer
    x = 21,419.55

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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.