Home / 28,224.18-38,951.10-15,648.93

Finding the Fourth Proportional to 28,224.18, 38,951.10 and 15,648.93

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Solution

The fourth proportional to 28,224.18, 38,951.10 and 15,648.93 is: 21,596.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,224.18 : 38,951.10 = 15,648.93 : x
  2. Step 2: Convert to fraction form
    28,224.18/38,951.10 = 15,648.93/x
  3. Step 3: Cross multiply
    28,224.18x = 38,951.10 × 15,648.93
  4. Step 4: Simplify right side
    28,224.18x = 609,543,037.32
  5. Step 5: Solve for x
    x = 609,543,037.32/28,224.18
  6. Step 6: Final answer
    x = 21,596.48

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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.