Home / 28,713.37-39,624.48-15,966.28

Finding the Fourth Proportional to 28,713.37, 39,624.48 and 15,966.28

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Solution

The fourth proportional to 28,713.37, 39,624.48 and 15,966.28 is: 22,033.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,713.37 : 39,624.48 = 15,966.28 : x
  2. Step 2: Convert to fraction form
    28,713.37/39,624.48 = 15,966.28/x
  3. Step 3: Cross multiply
    28,713.37x = 39,624.48 × 15,966.28
  4. Step 4: Simplify right side
    28,713.37x = 632,655,469.55
  5. Step 5: Solve for x
    x = 632,655,469.55/28,713.37
  6. Step 6: Final answer
    x = 22,033.48

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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.