Home / 28,153.44-42,248.80-15,015.28

Finding the Fourth Proportional to 28,153.44, 42,248.80 and 15,015.28

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Solution

The fourth proportional to 28,153.44, 42,248.80 and 15,015.28 is: 22,532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,153.44 : 42,248.80 = 15,015.28 : x
  2. Step 2: Convert to fraction form
    28,153.44/42,248.80 = 15,015.28/x
  3. Step 3: Cross multiply
    28,153.44x = 42,248.80 × 15,015.28
  4. Step 4: Simplify right side
    28,153.44x = 634,377,561.66
  5. Step 5: Solve for x
    x = 634,377,561.66/28,153.44
  6. Step 6: Final answer
    x = 22,532.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.