Home / 28,013.45-38,665.15-25,176.02

Finding the Fourth Proportional to 28,013.45, 38,665.15 and 25,176.02

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Solution

The fourth proportional to 28,013.45, 38,665.15 and 25,176.02 is: 34,748.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,013.45 : 38,665.15 = 25,176.02 : x
  2. Step 2: Convert to fraction form
    28,013.45/38,665.15 = 25,176.02/x
  3. Step 3: Cross multiply
    28,013.45x = 38,665.15 × 25,176.02
  4. Step 4: Simplify right side
    28,013.45x = 973,434,333.44
  5. Step 5: Solve for x
    x = 973,434,333.44/28,013.45
  6. Step 6: Final answer
    x = 34,748.83

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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.