Home / 28,386.94-42,585.42-11,737.65

Finding the Fourth Proportional to 28,386.94, 42,585.42 and 11,737.65

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Solution

The fourth proportional to 28,386.94, 42,585.42 and 11,737.65 is: 17,608.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,386.94 : 42,585.42 = 11,737.65 : x
  2. Step 2: Convert to fraction form
    28,386.94/42,585.42 = 11,737.65/x
  3. Step 3: Cross multiply
    28,386.94x = 42,585.42 × 11,737.65
  4. Step 4: Simplify right side
    28,386.94x = 499,852,755.06
  5. Step 5: Solve for x
    x = 499,852,755.06/28,386.94
  6. Step 6: Final answer
    x = 17,608.55

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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.