Home / 28,225.64-38,942.52-16,287.41

Finding the Fourth Proportional to 28,225.64, 38,942.52 and 16,287.41

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Solution

The fourth proportional to 28,225.64, 38,942.52 and 16,287.41 is: 22,471.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,225.64 : 38,942.52 = 16,287.41 : x
  2. Step 2: Convert to fraction form
    28,225.64/38,942.52 = 16,287.41/x
  3. Step 3: Cross multiply
    28,225.64x = 38,942.52 × 16,287.41
  4. Step 4: Simplify right side
    28,225.64x = 634,272,789.67
  5. Step 5: Solve for x
    x = 634,272,789.67/28,225.64
  6. Step 6: Final answer
    x = 22,471.51

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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.