Home / 28,447.75-42,675.68-15,117.27

Finding the Fourth Proportional to 28,447.75, 42,675.68 and 15,117.27

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Solution

The fourth proportional to 28,447.75, 42,675.68 and 15,117.27 is: 22,678.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447.75 : 42,675.68 = 15,117.27 : x
  2. Step 2: Convert to fraction form
    28,447.75/42,675.68 = 15,117.27/x
  3. Step 3: Cross multiply
    28,447.75x = 42,675.68 × 15,117.27
  4. Step 4: Simplify right side
    28,447.75x = 645,139,776.99
  5. Step 5: Solve for x
    x = 645,139,776.99/28,447.75
  6. Step 6: Final answer
    x = 22,678.06

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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.