Home / 84,846.47-127,217.39-28,681.27

Finding the Fourth Proportional to 84,846.47, 127,217.39 and 28,681.27

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Solution

The fourth proportional to 84,846.47, 127,217.39 and 28,681.27 is: 43,004.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,846.47 : 127,217.39 = 28,681.27 : x
  2. Step 2: Convert to fraction form
    84,846.47/127,217.39 = 28,681.27/x
  3. Step 3: Cross multiply
    84,846.47x = 127,217.39 × 28,681.27
  4. Step 4: Simplify right side
    84,846.47x = 3,648,755,849.84
  5. Step 5: Solve for x
    x = 3,648,755,849.84/84,846.47
  6. Step 6: Final answer
    x = 43,004.22

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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.