Home / 28,024.28-38,671.98-15,448.04

Finding the Fourth Proportional to 28,024.28, 38,671.98 and 15,448.04

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Solution

The fourth proportional to 28,024.28, 38,671.98 and 15,448.04 is: 21,317.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,024.28 : 38,671.98 = 15,448.04 : x
  2. Step 2: Convert to fraction form
    28,024.28/38,671.98 = 15,448.04/x
  3. Step 3: Cross multiply
    28,024.28x = 38,671.98 × 15,448.04
  4. Step 4: Simplify right side
    28,024.28x = 597,406,293.92
  5. Step 5: Solve for x
    x = 597,406,293.92/28,024.28
  6. Step 6: Final answer
    x = 21,317.45

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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.