Home / 28,695.80-39,599.66-15,948.83

Finding the Fourth Proportional to 28,695.80, 39,599.66 and 15,948.83

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Solution

The fourth proportional to 28,695.80, 39,599.66 and 15,948.83 is: 22,009.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,695.80 : 39,599.66 = 15,948.83 : x
  2. Step 2: Convert to fraction form
    28,695.80/39,599.66 = 15,948.83/x
  3. Step 3: Cross multiply
    28,695.80x = 39,599.66 × 15,948.83
  4. Step 4: Simplify right side
    28,695.80x = 631,568,245.40
  5. Step 5: Solve for x
    x = 631,568,245.40/28,695.80
  6. Step 6: Final answer
    x = 22,009.08

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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.