Home / 27,931.16-41,889.86-16,689.71

Finding the Fourth Proportional to 27,931.16, 41,889.86 and 16,689.71

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Solution

The fourth proportional to 27,931.16, 41,889.86 and 16,689.71 is: 25,030.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,931.16 : 41,889.86 = 16,689.71 : x
  2. Step 2: Convert to fraction form
    27,931.16/41,889.86 = 16,689.71/x
  3. Step 3: Cross multiply
    27,931.16x = 41,889.86 × 16,689.71
  4. Step 4: Simplify right side
    27,931.16x = 699,129,699.20
  5. Step 5: Solve for x
    x = 699,129,699.20/27,931.16
  6. Step 6: Final answer
    x = 25,030.45

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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.