Home / 27,115.72-40,642.35-10,468.42

Finding the Fourth Proportional to 27,115.72, 40,642.35 and 10,468.42

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Solution

The fourth proportional to 27,115.72, 40,642.35 and 10,468.42 is: 15,690.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,115.72 : 40,642.35 = 10,468.42 : x
  2. Step 2: Convert to fraction form
    27,115.72/40,642.35 = 10,468.42/x
  3. Step 3: Cross multiply
    27,115.72x = 40,642.35 × 10,468.42
  4. Step 4: Simplify right side
    27,115.72x = 425,461,189.59
  5. Step 5: Solve for x
    x = 425,461,189.59/27,115.72
  6. Step 6: Final answer
    x = 15,690.57

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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.