Home / 84,837.24-127,203.54-28,672.04

Finding the Fourth Proportional to 84,837.24, 127,203.54 and 28,672.04

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Solution

The fourth proportional to 84,837.24, 127,203.54 and 28,672.04 is: 42,990.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,837.24 : 127,203.54 = 28,672.04 : x
  2. Step 2: Convert to fraction form
    84,837.24/127,203.54 = 28,672.04/x
  3. Step 3: Cross multiply
    84,837.24x = 127,203.54 × 28,672.04
  4. Step 4: Simplify right side
    84,837.24x = 3,647,184,987.02
  5. Step 5: Solve for x
    x = 3,647,184,987.02/84,837.24
  6. Step 6: Final answer
    x = 42,990.38

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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.