Home / 17,825.60-26,729.39-10,432.28

Finding the Fourth Proportional to 17,825.60, 26,729.39 and 10,432.28

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Solution

The fourth proportional to 17,825.60, 26,729.39 and 10,432.28 is: 15,643.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,825.60 : 26,729.39 = 10,432.28 : x
  2. Step 2: Convert to fraction form
    17,825.60/26,729.39 = 10,432.28/x
  3. Step 3: Cross multiply
    17,825.60x = 26,729.39 × 10,432.28
  4. Step 4: Simplify right side
    17,825.60x = 278,848,480.71
  5. Step 5: Solve for x
    x = 278,848,480.71/17,825.60
  6. Step 6: Final answer
    x = 15,643.15

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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.