Home / 28,197.68-42,296.56-8,476.24

Finding the Fourth Proportional to 28,197.68, 42,296.56 and 8,476.24

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Solution

The fourth proportional to 28,197.68, 42,296.56 and 8,476.24 is: 12,714.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,197.68 : 42,296.56 = 8,476.24 : x
  2. Step 2: Convert to fraction form
    28,197.68/42,296.56 = 8,476.24/x
  3. Step 3: Cross multiply
    28,197.68x = 42,296.56 × 8,476.24
  4. Step 4: Simplify right side
    28,197.68x = 358,515,746.11
  5. Step 5: Solve for x
    x = 358,515,746.11/28,197.68
  6. Step 6: Final answer
    x = 12,714.37

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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.