Home / 84,842.64-127,264.30-28,683.05

Finding the Fourth Proportional to 84,842.64, 127,264.30 and 28,683.05

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Solution

The fourth proportional to 84,842.64, 127,264.30 and 28,683.05 is: 43,024.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,842.64 : 127,264.30 = 28,683.05 : x
  2. Step 2: Convert to fraction form
    84,842.64/127,264.30 = 28,683.05/x
  3. Step 3: Cross multiply
    84,842.64x = 127,264.30 × 28,683.05
  4. Step 4: Simplify right side
    84,842.64x = 3,650,327,572.09
  5. Step 5: Solve for x
    x = 3,650,327,572.09/84,842.64
  6. Step 6: Final answer
    x = 43,024.68

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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.