Home / 27,999.72-42,010.52-10,465.44

Finding the Fourth Proportional to 27,999.72, 42,010.52 and 10,465.44

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Solution

The fourth proportional to 27,999.72, 42,010.52 and 10,465.44 is: 15,702.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,999.72 : 42,010.52 = 10,465.44 : x
  2. Step 2: Convert to fraction form
    27,999.72/42,010.52 = 10,465.44/x
  3. Step 3: Cross multiply
    27,999.72x = 42,010.52 × 10,465.44
  4. Step 4: Simplify right side
    27,999.72x = 439,658,576.43
  5. Step 5: Solve for x
    x = 439,658,576.43/27,999.72
  6. Step 6: Final answer
    x = 15,702.25

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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.