Home / 28,506.56-39,340.32-15,932.48

Finding the Fourth Proportional to 28,506.56, 39,340.32 and 15,932.48

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Solution

The fourth proportional to 28,506.56, 39,340.32 and 15,932.48 is: 21,987.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,506.56 : 39,340.32 = 15,932.48 : x
  2. Step 2: Convert to fraction form
    28,506.56/39,340.32 = 15,932.48/x
  3. Step 3: Cross multiply
    28,506.56x = 39,340.32 × 15,932.48
  4. Step 4: Simplify right side
    28,506.56x = 626,788,861.59
  5. Step 5: Solve for x
    x = 626,788,861.59/28,506.56
  6. Step 6: Final answer
    x = 21,987.53

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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.