Home / 84,258.19-126,387.27-21,928.69

Finding the Fourth Proportional to 84,258.19, 126,387.27 and 21,928.69

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Solution

The fourth proportional to 84,258.19, 126,387.27 and 21,928.69 is: 32,893.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,258.19 : 126,387.27 = 21,928.69 : x
  2. Step 2: Convert to fraction form
    84,258.19/126,387.27 = 21,928.69/x
  3. Step 3: Cross multiply
    84,258.19x = 126,387.27 × 21,928.69
  4. Step 4: Simplify right side
    84,258.19x = 2,771,507,263.78
  5. Step 5: Solve for x
    x = 2,771,507,263.78/84,258.19
  6. Step 6: Final answer
    x = 32,893.03

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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.