Home / 28,221.44-42,317.28-15,070.24

Finding the Fourth Proportional to 28,221.44, 42,317.28 and 15,070.24

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Solution

The fourth proportional to 28,221.44, 42,317.28 and 15,070.24 is: 22,597.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,221.44 : 42,317.28 = 15,070.24 : x
  2. Step 2: Convert to fraction form
    28,221.44/42,317.28 = 15,070.24/x
  3. Step 3: Cross multiply
    28,221.44x = 42,317.28 × 15,070.24
  4. Step 4: Simplify right side
    28,221.44x = 637,731,565.75
  5. Step 5: Solve for x
    x = 637,731,565.75/28,221.44
  6. Step 6: Final answer
    x = 22,597.41

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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.