Home / 18,255.02-27,428.66-17,516.92

Finding the Fourth Proportional to 18,255.02, 27,428.66 and 17,516.92

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Solution

The fourth proportional to 18,255.02, 27,428.66 and 17,516.92 is: 26,319.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.02 : 27,428.66 = 17,516.92 : x
  2. Step 2: Convert to fraction form
    18,255.02/27,428.66 = 17,516.92/x
  3. Step 3: Cross multiply
    18,255.02x = 27,428.66 × 17,516.92
  4. Step 4: Simplify right side
    18,255.02x = 480,465,642.93
  5. Step 5: Solve for x
    x = 480,465,642.93/18,255.02
  6. Step 6: Final answer
    x = 26,319.64

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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.