Home / 28,345.06-42,515.88-10,572.22

Finding the Fourth Proportional to 28,345.06, 42,515.88 and 10,572.22

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Solution

The fourth proportional to 28,345.06, 42,515.88 and 10,572.22 is: 15,857.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,345.06 : 42,515.88 = 10,572.22 : x
  2. Step 2: Convert to fraction form
    28,345.06/42,515.88 = 10,572.22/x
  3. Step 3: Cross multiply
    28,345.06x = 42,515.88 × 10,572.22
  4. Step 4: Simplify right side
    28,345.06x = 449,487,236.85
  5. Step 5: Solve for x
    x = 449,487,236.85/28,345.06
  6. Step 6: Final answer
    x = 15,857.69

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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.