Home / 84,827.04-127,254.53-28,670.55

Finding the Fourth Proportional to 84,827.04, 127,254.53 and 28,670.55

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Solution

The fourth proportional to 84,827.04, 127,254.53 and 28,670.55 is: 43,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,827.04 : 127,254.53 = 28,670.55 : x
  2. Step 2: Convert to fraction form
    84,827.04/127,254.53 = 28,670.55/x
  3. Step 3: Cross multiply
    84,827.04x = 127,254.53 × 28,670.55
  4. Step 4: Simplify right side
    84,827.04x = 3,648,457,365.09
  5. Step 5: Solve for x
    x = 3,648,457,365.09/84,827.04
  6. Step 6: Final answer
    x = 43,010.55

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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.