Home / 28,219.59-38,943.18-16,283.43

Finding the Fourth Proportional to 28,219.59, 38,943.18 and 16,283.43

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Solution

The fourth proportional to 28,219.59, 38,943.18 and 16,283.43 is: 22,471.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,219.59 : 38,943.18 = 16,283.43 : x
  2. Step 2: Convert to fraction form
    28,219.59/38,943.18 = 16,283.43/x
  3. Step 3: Cross multiply
    28,219.59x = 38,943.18 × 16,283.43
  4. Step 4: Simplify right side
    28,219.59x = 634,128,545.51
  5. Step 5: Solve for x
    x = 634,128,545.51/28,219.59
  6. Step 6: Final answer
    x = 22,471.22

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Double scale
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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.