Home / 28,219.22-38,942.67-16,283.06

Finding the Fourth Proportional to 28,219.22, 38,942.67 and 16,283.06

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Solution

The fourth proportional to 28,219.22, 38,942.67 and 16,283.06 is: 22,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,219.22 : 38,942.67 = 16,283.06 : x
  2. Step 2: Convert to fraction form
    28,219.22/38,942.67 = 16,283.06/x
  3. Step 3: Cross multiply
    28,219.22x = 38,942.67 × 16,283.06
  4. Step 4: Simplify right side
    28,219.22x = 634,105,637.46
  5. Step 5: Solve for x
    x = 634,105,637.46/28,219.22
  6. Step 6: Final answer
    x = 22,470.70

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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.