Home / 28,843.29-43,260.08-9,117.36

Finding the Fourth Proportional to 28,843.29, 43,260.08 and 9,117.36

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Solution

The fourth proportional to 28,843.29, 43,260.08 and 9,117.36 is: 13,674.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,843.29 : 43,260.08 = 9,117.36 : x
  2. Step 2: Convert to fraction form
    28,843.29/43,260.08 = 9,117.36/x
  3. Step 3: Cross multiply
    28,843.29x = 43,260.08 × 9,117.36
  4. Step 4: Simplify right side
    28,843.29x = 394,417,677.40
  5. Step 5: Solve for x
    x = 394,417,677.40/28,843.29
  6. Step 6: Final answer
    x = 13,674.50

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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.