Home / 28,838.29-43,253.70-9,118.84

Finding the Fourth Proportional to 28,838.29, 43,253.70 and 9,118.84

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Solution

The fourth proportional to 28,838.29, 43,253.70 and 9,118.84 is: 13,677.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,838.29 : 43,253.70 = 9,118.84 : x
  2. Step 2: Convert to fraction form
    28,838.29/43,253.70 = 9,118.84/x
  3. Step 3: Cross multiply
    28,838.29x = 43,253.70 × 9,118.84
  4. Step 4: Simplify right side
    28,838.29x = 394,423,569.71
  5. Step 5: Solve for x
    x = 394,423,569.71/28,838.29
  6. Step 6: Final answer
    x = 13,677.08

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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.