Home / 28,294.57-39,044.58-15,548.63

Finding the Fourth Proportional to 28,294.57, 39,044.58 and 15,548.63

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Solution

The fourth proportional to 28,294.57, 39,044.58 and 15,548.63 is: 21,456.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,294.57 : 39,044.58 = 15,548.63 : x
  2. Step 2: Convert to fraction form
    28,294.57/39,044.58 = 15,548.63/x
  3. Step 3: Cross multiply
    28,294.57x = 39,044.58 × 15,548.63
  4. Step 4: Simplify right side
    28,294.57x = 607,089,891.29
  5. Step 5: Solve for x
    x = 607,089,891.29/28,294.57
  6. Step 6: Final answer
    x = 21,456.06

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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.