Home / 28,054.47-38,729.20-17,447.52

Finding the Fourth Proportional to 28,054.47, 38,729.20 and 17,447.52

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Solution

The fourth proportional to 28,054.47, 38,729.20 and 17,447.52 is: 24,086.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,054.47 : 38,729.20 = 17,447.52 : x
  2. Step 2: Convert to fraction form
    28,054.47/38,729.20 = 17,447.52/x
  3. Step 3: Cross multiply
    28,054.47x = 38,729.20 × 17,447.52
  4. Step 4: Simplify right side
    28,054.47x = 675,728,491.58
  5. Step 5: Solve for x
    x = 675,728,491.58/28,054.47
  6. Step 6: Final answer
    x = 24,086.30

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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.