Home / 84,920.16-127,380.48-25,756.32

Finding the Fourth Proportional to 84,920.16, 127,380.48 and 25,756.32

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Solution

The fourth proportional to 84,920.16, 127,380.48 and 25,756.32 is: 38,634.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,920.16 : 127,380.48 = 25,756.32 : x
  2. Step 2: Convert to fraction form
    84,920.16/127,380.48 = 25,756.32/x
  3. Step 3: Cross multiply
    84,920.16x = 127,380.48 × 25,756.32
  4. Step 4: Simplify right side
    84,920.16x = 3,280,852,404.63
  5. Step 5: Solve for x
    x = 3,280,852,404.63/84,920.16
  6. Step 6: Final answer
    x = 38,634.55

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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.