Home / 28,264.08-42,397.68-8,542.14

Finding the Fourth Proportional to 28,264.08, 42,397.68 and 8,542.14

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Solution

The fourth proportional to 28,264.08, 42,397.68 and 8,542.14 is: 12,813.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,264.08 : 42,397.68 = 8,542.14 : x
  2. Step 2: Convert to fraction form
    28,264.08/42,397.68 = 8,542.14/x
  3. Step 3: Cross multiply
    28,264.08x = 42,397.68 × 8,542.14
  4. Step 4: Simplify right side
    28,264.08x = 362,166,918.24
  5. Step 5: Solve for x
    x = 362,166,918.24/28,264.08
  6. Step 6: Final answer
    x = 12,813.68

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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.