Home / 28,151.22-42,232.85-10,381.93

Finding the Fourth Proportional to 28,151.22, 42,232.85 and 10,381.93

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Solution

The fourth proportional to 28,151.22, 42,232.85 and 10,381.93 is: 15,575.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,151.22 : 42,232.85 = 10,381.93 : x
  2. Step 2: Convert to fraction form
    28,151.22/42,232.85 = 10,381.93/x
  3. Step 3: Cross multiply
    28,151.22x = 42,232.85 × 10,381.93
  4. Step 4: Simplify right side
    28,151.22x = 438,458,492.40
  5. Step 5: Solve for x
    x = 438,458,492.40/28,151.22
  6. Step 6: Final answer
    x = 15,575.12

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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.