Home / 28,493.11-42,701.47-22,175.62

Finding the Fourth Proportional to 28,493.11, 42,701.47 and 22,175.62

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Solution

The fourth proportional to 28,493.11, 42,701.47 and 22,175.62 is: 33,233.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,493.11 : 42,701.47 = 22,175.62 : x
  2. Step 2: Convert to fraction form
    28,493.11/42,701.47 = 22,175.62/x
  3. Step 3: Cross multiply
    28,493.11x = 42,701.47 × 22,175.62
  4. Step 4: Simplify right side
    28,493.11x = 946,931,665.76
  5. Step 5: Solve for x
    x = 946,931,665.76/28,493.11
  6. Step 6: Final answer
    x = 33,233.70

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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.