Home / 28,694.67-39,598.37-15,947.88

Finding the Fourth Proportional to 28,694.67, 39,598.37 and 15,947.88

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Solution

The fourth proportional to 28,694.67, 39,598.37 and 15,947.88 is: 22,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,694.67 : 39,598.37 = 15,947.88 : x
  2. Step 2: Convert to fraction form
    28,694.67/39,598.37 = 15,947.88/x
  3. Step 3: Cross multiply
    28,694.67x = 39,598.37 × 15,947.88
  4. Step 4: Simplify right side
    28,694.67x = 631,509,973.22
  5. Step 5: Solve for x
    x = 631,509,973.22/28,694.67
  6. Step 6: Final answer
    x = 22,007.92

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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.