Home / 28,966.49-39,977.12-17,642.63

Finding the Fourth Proportional to 28,966.49, 39,977.12 and 17,642.63

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Solution

The fourth proportional to 28,966.49, 39,977.12 and 17,642.63 is: 24,348.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,966.49 : 39,977.12 = 17,642.63 : x
  2. Step 2: Convert to fraction form
    28,966.49/39,977.12 = 17,642.63/x
  3. Step 3: Cross multiply
    28,966.49x = 39,977.12 × 17,642.63
  4. Step 4: Simplify right side
    28,966.49x = 705,301,680.67
  5. Step 5: Solve for x
    x = 705,301,680.67/28,966.49
  6. Step 6: Final answer
    x = 24,348.88

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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.