Home / 28,877.94-43,309.26-11,347.92

Finding the Fourth Proportional to 28,877.94, 43,309.26 and 11,347.92

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Solution

The fourth proportional to 28,877.94, 43,309.26 and 11,347.92 is: 17,018.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877.94 : 43,309.26 = 11,347.92 : x
  2. Step 2: Convert to fraction form
    28,877.94/43,309.26 = 11,347.92/x
  3. Step 3: Cross multiply
    28,877.94x = 43,309.26 × 11,347.92
  4. Step 4: Simplify right side
    28,877.94x = 491,470,017.74
  5. Step 5: Solve for x
    x = 491,470,017.74/28,877.94
  6. Step 6: Final answer
    x = 17,018.87

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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.