Home / 27,442.55-37,870.49-15,505.95

Finding the Fourth Proportional to 27,442.55, 37,870.49 and 15,505.95

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Solution

The fourth proportional to 27,442.55, 37,870.49 and 15,505.95 is: 21,398.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,442.55 : 37,870.49 = 15,505.95 : x
  2. Step 2: Convert to fraction form
    27,442.55/37,870.49 = 15,505.95/x
  3. Step 3: Cross multiply
    27,442.55x = 37,870.49 × 15,505.95
  4. Step 4: Simplify right side
    27,442.55x = 587,217,846.89
  5. Step 5: Solve for x
    x = 587,217,846.89/27,442.55
  6. Step 6: Final answer
    x = 21,398.08

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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.