Home / 28,724.28-43,085.16-10,008.48

Finding the Fourth Proportional to 28,724.28, 43,085.16 and 10,008.48

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Solution

The fourth proportional to 28,724.28, 43,085.16 and 10,008.48 is: 15,012.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724.28 : 43,085.16 = 10,008.48 : x
  2. Step 2: Convert to fraction form
    28,724.28/43,085.16 = 10,008.48/x
  3. Step 3: Cross multiply
    28,724.28x = 43,085.16 × 10,008.48
  4. Step 4: Simplify right side
    28,724.28x = 431,216,962.16
  5. Step 5: Solve for x
    x = 431,216,962.16/28,724.28
  6. Step 6: Final answer
    x = 15,012.28

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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.