Home / 42,218.08-63,272.16-17,228.80

Finding the Fourth Proportional to 42,218.08, 63,272.16 and 17,228.80

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Solution

The fourth proportional to 42,218.08, 63,272.16 and 17,228.80 is: 25,820.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,218.08 : 63,272.16 = 17,228.80 : x
  2. Step 2: Convert to fraction form
    42,218.08/63,272.16 = 17,228.80/x
  3. Step 3: Cross multiply
    42,218.08x = 63,272.16 × 17,228.80
  4. Step 4: Simplify right side
    42,218.08x = 1,090,103,390.21
  5. Step 5: Solve for x
    x = 1,090,103,390.21/42,218.08
  6. Step 6: Final answer
    x = 25,820.77

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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.