Home / 28,697.90-39,621.76-17,526.38

Finding the Fourth Proportional to 28,697.90, 39,621.76 and 17,526.38

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Solution

The fourth proportional to 28,697.90, 39,621.76 and 17,526.38 is: 24,197.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,697.90 : 39,621.76 = 17,526.38 : x
  2. Step 2: Convert to fraction form
    28,697.90/39,621.76 = 17,526.38/x
  3. Step 3: Cross multiply
    28,697.90x = 39,621.76 × 17,526.38
  4. Step 4: Simplify right side
    28,697.90x = 694,425,780.10
  5. Step 5: Solve for x
    x = 694,425,780.10/28,697.90
  6. Step 6: Final answer
    x = 24,197.79

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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.