Home / 27,577.12-38,056.40-15,001.92

Finding the Fourth Proportional to 27,577.12, 38,056.40 and 15,001.92

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Solution

The fourth proportional to 27,577.12, 38,056.40 and 15,001.92 is: 20,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,577.12 : 38,056.40 = 15,001.92 : x
  2. Step 2: Convert to fraction form
    27,577.12/38,056.40 = 15,001.92/x
  3. Step 3: Cross multiply
    27,577.12x = 38,056.40 × 15,001.92
  4. Step 4: Simplify right side
    27,577.12x = 570,919,068.29
  5. Step 5: Solve for x
    x = 570,919,068.29/27,577.12
  6. Step 6: Final answer
    x = 20,702.64

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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.