Home / 28,999.28-43,497.56-10,279.02

Finding the Fourth Proportional to 28,999.28, 43,497.56 and 10,279.02

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Solution

The fourth proportional to 28,999.28, 43,497.56 and 10,279.02 is: 15,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.28 : 43,497.56 = 10,279.02 : x
  2. Step 2: Convert to fraction form
    28,999.28/43,497.56 = 10,279.02/x
  3. Step 3: Cross multiply
    28,999.28x = 43,497.56 × 10,279.02
  4. Step 4: Simplify right side
    28,999.28x = 447,112,289.19
  5. Step 5: Solve for x
    x = 447,112,289.19/28,999.28
  6. Step 6: Final answer
    x = 15,418.05

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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.