Home / 18,637.08-28,013.22-17,715.48

Finding the Fourth Proportional to 18,637.08, 28,013.22 and 17,715.48

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Solution

The fourth proportional to 18,637.08, 28,013.22 and 17,715.48 is: 26,627.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637.08 : 28,013.22 = 17,715.48 : x
  2. Step 2: Convert to fraction form
    18,637.08/28,013.22 = 17,715.48/x
  3. Step 3: Cross multiply
    18,637.08x = 28,013.22 × 17,715.48
  4. Step 4: Simplify right side
    18,637.08x = 496,267,638.65
  5. Step 5: Solve for x
    x = 496,267,638.65/18,637.08
  6. Step 6: Final answer
    x = 26,627.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.