Home / 28,948.66-39,936.45-22,222.42

Finding the Fourth Proportional to 28,948.66, 39,936.45 and 22,222.42

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Solution

The fourth proportional to 28,948.66, 39,936.45 and 22,222.42 is: 30,657.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,948.66 : 39,936.45 = 22,222.42 : x
  2. Step 2: Convert to fraction form
    28,948.66/39,936.45 = 22,222.42/x
  3. Step 3: Cross multiply
    28,948.66x = 39,936.45 × 22,222.42
  4. Step 4: Simplify right side
    28,948.66x = 887,484,565.21
  5. Step 5: Solve for x
    x = 887,484,565.21/28,948.66
  6. Step 6: Final answer
    x = 30,657.19

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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.