Home / 84,892.36-127,331.20-28,731.23

Finding the Fourth Proportional to 84,892.36, 127,331.20 and 28,731.23

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Solution

The fourth proportional to 84,892.36, 127,331.20 and 28,731.23 is: 43,094.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,892.36 : 127,331.20 = 28,731.23 : x
  2. Step 2: Convert to fraction form
    84,892.36/127,331.20 = 28,731.23/x
  3. Step 3: Cross multiply
    84,892.36x = 127,331.20 × 28,731.23
  4. Step 4: Simplify right side
    84,892.36x = 3,658,381,213.06
  5. Step 5: Solve for x
    x = 3,658,381,213.06/84,892.36
  6. Step 6: Final answer
    x = 43,094.35

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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.