Home / 22,434.59-30,942.05-20,925.56

Finding the Fourth Proportional to 22,434.59, 30,942.05 and 20,925.56

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Solution

The fourth proportional to 22,434.59, 30,942.05 and 20,925.56 is: 28,860.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,434.59 : 30,942.05 = 20,925.56 : x
  2. Step 2: Convert to fraction form
    22,434.59/30,942.05 = 20,925.56/x
  3. Step 3: Cross multiply
    22,434.59x = 30,942.05 × 20,925.56
  4. Step 4: Simplify right side
    22,434.59x = 647,479,464.46
  5. Step 5: Solve for x
    x = 647,479,464.46/22,434.59
  6. Step 6: Final answer
    x = 28,860.77

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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.