Home / 27,996.80-42,002.40-10,466.72

Finding the Fourth Proportional to 27,996.80, 42,002.40 and 10,466.72

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Solution

The fourth proportional to 27,996.80, 42,002.40 and 10,466.72 is: 15,702.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,996.80 : 42,002.40 = 10,466.72 : x
  2. Step 2: Convert to fraction form
    27,996.80/42,002.40 = 10,466.72/x
  3. Step 3: Cross multiply
    27,996.80x = 42,002.40 × 10,466.72
  4. Step 4: Simplify right side
    27,996.80x = 439,627,360.13
  5. Step 5: Solve for x
    x = 439,627,360.13/27,996.80
  6. Step 6: Final answer
    x = 15,702.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.