Home / 27,642.46-38,147.41-16,889.11

Finding the Fourth Proportional to 27,642.46, 38,147.41 and 16,889.11

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Solution

The fourth proportional to 27,642.46, 38,147.41 and 16,889.11 is: 23,307.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,642.46 : 38,147.41 = 16,889.11 : x
  2. Step 2: Convert to fraction form
    27,642.46/38,147.41 = 16,889.11/x
  3. Step 3: Cross multiply
    27,642.46x = 38,147.41 × 16,889.11
  4. Step 4: Simplify right side
    27,642.46x = 644,275,803.71
  5. Step 5: Solve for x
    x = 644,275,803.71/27,642.46
  6. Step 6: Final answer
    x = 23,307.47

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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.