Home / 84,888.32-127,332.14-25,728.75

Finding the Fourth Proportional to 84,888.32, 127,332.14 and 25,728.75

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Solution

The fourth proportional to 84,888.32, 127,332.14 and 25,728.75 is: 38,593.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,888.32 : 127,332.14 = 25,728.75 : x
  2. Step 2: Convert to fraction form
    84,888.32/127,332.14 = 25,728.75/x
  3. Step 3: Cross multiply
    84,888.32x = 127,332.14 × 25,728.75
  4. Step 4: Simplify right side
    84,888.32x = 3,276,096,668.38
  5. Step 5: Solve for x
    x = 3,276,096,668.38/84,888.32
  6. Step 6: Final answer
    x = 38,593.02

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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.