Home / 28,938.52-43,409.22-14,159.80

Finding the Fourth Proportional to 28,938.52, 43,409.22 and 14,159.80

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Solution

The fourth proportional to 28,938.52, 43,409.22 and 14,159.80 is: 21,240.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,938.52 : 43,409.22 = 14,159.80 : x
  2. Step 2: Convert to fraction form
    28,938.52/43,409.22 = 14,159.80/x
  3. Step 3: Cross multiply
    28,938.52x = 43,409.22 × 14,159.80
  4. Step 4: Simplify right side
    28,938.52x = 614,665,873.36
  5. Step 5: Solve for x
    x = 614,665,873.36/28,938.52
  6. Step 6: Final answer
    x = 21,240.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.