Home / 28,538.75-42,827.57-10,070.75

Finding the Fourth Proportional to 28,538.75, 42,827.57 and 10,070.75

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Solution

The fourth proportional to 28,538.75, 42,827.57 and 10,070.75 is: 15,112.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,538.75 : 42,827.57 = 10,070.75 : x
  2. Step 2: Convert to fraction form
    28,538.75/42,827.57 = 10,070.75/x
  3. Step 3: Cross multiply
    28,538.75x = 42,827.57 × 10,070.75
  4. Step 4: Simplify right side
    28,538.75x = 431,305,750.58
  5. Step 5: Solve for x
    x = 431,305,750.58/28,538.75
  6. Step 6: Final answer
    x = 15,112.99

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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.