Home / 28,239.28-42,368.36-10,714.16

Finding the Fourth Proportional to 28,239.28, 42,368.36 and 10,714.16

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Solution

The fourth proportional to 28,239.28, 42,368.36 and 10,714.16 is: 16,074.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,239.28 : 42,368.36 = 10,714.16 : x
  2. Step 2: Convert to fraction form
    28,239.28/42,368.36 = 10,714.16/x
  3. Step 3: Cross multiply
    28,239.28x = 42,368.36 × 10,714.16
  4. Step 4: Simplify right side
    28,239.28x = 453,941,387.98
  5. Step 5: Solve for x
    x = 453,941,387.98/28,239.28
  6. Step 6: Final answer
    x = 16,074.82

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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.