Home / 28,208.04-38,640.09-27,897

Finding the Fourth Proportional to 28,208.04, 38,640.09 and 27,897

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Solution

The fourth proportional to 28,208.04, 38,640.09 and 27,897 is: 38,214.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,208.04 : 38,640.09 = 27,897 : x
  2. Step 2: Convert to fraction form
    28,208.04/38,640.09 = 27,897/x
  3. Step 3: Cross multiply
    28,208.04x = 38,640.09 × 27,897
  4. Step 4: Simplify right side
    28,208.04x = 1,077,942,590.73
  5. Step 5: Solve for x
    x = 1,077,942,590.73/28,208.04
  6. Step 6: Final answer
    x = 38,214.02

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1.5x scale

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.