Home / 28,205.04-38,635.98-27,894

Finding the Fourth Proportional to 28,205.04, 38,635.98 and 27,894

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Solution

The fourth proportional to 28,205.04, 38,635.98 and 27,894 is: 38,209.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,205.04 : 38,635.98 = 27,894 : x
  2. Step 2: Convert to fraction form
    28,205.04/38,635.98 = 27,894/x
  3. Step 3: Cross multiply
    28,205.04x = 38,635.98 × 27,894
  4. Step 4: Simplify right side
    28,205.04x = 1,077,712,026.12
  5. Step 5: Solve for x
    x = 1,077,712,026.12/28,205.04
  6. Step 6: Final answer
    x = 38,209.91

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.