Home / 27,482.08-37,939.28-17,420.80

Finding the Fourth Proportional to 27,482.08, 37,939.28 and 17,420.80

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Solution

The fourth proportional to 27,482.08, 37,939.28 and 17,420.80 is: 24,049.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,482.08 : 37,939.28 = 17,420.80 : x
  2. Step 2: Convert to fraction form
    27,482.08/37,939.28 = 17,420.80/x
  3. Step 3: Cross multiply
    27,482.08x = 37,939.28 × 17,420.80
  4. Step 4: Simplify right side
    27,482.08x = 660,932,609.02
  5. Step 5: Solve for x
    x = 660,932,609.02/27,482.08
  6. Step 6: Final answer
    x = 24,049.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.