Home / 27,988.42-42,029.43-17,482.90

Finding the Fourth Proportional to 27,988.42, 42,029.43 and 17,482.90

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Solution

The fourth proportional to 27,988.42, 42,029.43 and 17,482.90 is: 26,253.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,988.42 : 42,029.43 = 17,482.90 : x
  2. Step 2: Convert to fraction form
    27,988.42/42,029.43 = 17,482.90/x
  3. Step 3: Cross multiply
    27,988.42x = 42,029.43 × 17,482.90
  4. Step 4: Simplify right side
    27,988.42x = 734,796,321.75
  5. Step 5: Solve for x
    x = 734,796,321.75/27,988.42
  6. Step 6: Final answer
    x = 26,253.58

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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.