Home / 28,568.74-39,425.52-16,634.20

Finding the Fourth Proportional to 28,568.74, 39,425.52 and 16,634.20

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Solution

The fourth proportional to 28,568.74, 39,425.52 and 16,634.20 is: 22,955.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,568.74 : 39,425.52 = 16,634.20 : x
  2. Step 2: Convert to fraction form
    28,568.74/39,425.52 = 16,634.20/x
  3. Step 3: Cross multiply
    28,568.74x = 39,425.52 × 16,634.20
  4. Step 4: Simplify right side
    28,568.74x = 655,811,984.78
  5. Step 5: Solve for x
    x = 655,811,984.78/28,568.74
  6. Step 6: Final answer
    x = 22,955.58

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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.