Home / 27,577.40-38,056.60-15,002.16

Finding the Fourth Proportional to 27,577.40, 38,056.60 and 15,002.16

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Solution

The fourth proportional to 27,577.40, 38,056.60 and 15,002.16 is: 20,702.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,577.40 : 38,056.60 = 15,002.16 : x
  2. Step 2: Convert to fraction form
    27,577.40/38,056.60 = 15,002.16/x
  3. Step 3: Cross multiply
    27,577.40x = 38,056.60 × 15,002.16
  4. Step 4: Simplify right side
    27,577.40x = 570,931,202.26
  5. Step 5: Solve for x
    x = 570,931,202.26/27,577.40
  6. Step 6: Final answer
    x = 20,702.87

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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.