Home / 28,326.48-39,091.01-15,580.23

Finding the Fourth Proportional to 28,326.48, 39,091.01 and 15,580.23

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Solution

The fourth proportional to 28,326.48, 39,091.01 and 15,580.23 is: 21,500.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,326.48 : 39,091.01 = 15,580.23 : x
  2. Step 2: Convert to fraction form
    28,326.48/39,091.01 = 15,580.23/x
  3. Step 3: Cross multiply
    28,326.48x = 39,091.01 × 15,580.23
  4. Step 4: Simplify right side
    28,326.48x = 609,046,926.73
  5. Step 5: Solve for x
    x = 609,046,926.73/28,326.48
  6. Step 6: Final answer
    x = 21,500.97

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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.