Home / 27,836.08-38,411.40-15,897.04

Finding the Fourth Proportional to 27,836.08, 38,411.40 and 15,897.04

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Solution

The fourth proportional to 27,836.08, 38,411.40 and 15,897.04 is: 21,936.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,836.08 : 38,411.40 = 15,897.04 : x
  2. Step 2: Convert to fraction form
    27,836.08/38,411.40 = 15,897.04/x
  3. Step 3: Cross multiply
    27,836.08x = 38,411.40 × 15,897.04
  4. Step 4: Simplify right side
    27,836.08x = 610,627,562.26
  5. Step 5: Solve for x
    x = 610,627,562.26/27,836.08
  6. Step 6: Final answer
    x = 21,936.55

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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.