Home / 27,718.18-38,252.47-16,959.68

Finding the Fourth Proportional to 27,718.18, 38,252.47 and 16,959.68

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Solution

The fourth proportional to 27,718.18, 38,252.47 and 16,959.68 is: 23,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,718.18 : 38,252.47 = 16,959.68 : x
  2. Step 2: Convert to fraction form
    27,718.18/38,252.47 = 16,959.68/x
  3. Step 3: Cross multiply
    27,718.18x = 38,252.47 × 16,959.68
  4. Step 4: Simplify right side
    27,718.18x = 648,749,650.41
  5. Step 5: Solve for x
    x = 648,749,650.41/27,718.18
  6. Step 6: Final answer
    x = 23,405.20

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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.