Home / 20,292.64-27,988.02-13,025.44

Finding the Fourth Proportional to 20,292.64, 27,988.02 and 13,025.44

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Solution

The fourth proportional to 20,292.64, 27,988.02 and 13,025.44 is: 17,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292.64 : 27,988.02 = 13,025.44 : x
  2. Step 2: Convert to fraction form
    20,292.64/27,988.02 = 13,025.44/x
  3. Step 3: Cross multiply
    20,292.64x = 27,988.02 × 13,025.44
  4. Step 4: Simplify right side
    20,292.64x = 364,556,275.23
  5. Step 5: Solve for x
    x = 364,556,275.23/20,292.64
  6. Step 6: Final answer
    x = 17,964.95

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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.