Home / 28,436.68-39,209.70-23,382.28

Finding the Fourth Proportional to 28,436.68, 39,209.70 and 23,382.28

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Solution

The fourth proportional to 28,436.68, 39,209.70 and 23,382.28 is: 32,240.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,436.68 : 39,209.70 = 23,382.28 : x
  2. Step 2: Convert to fraction form
    28,436.68/39,209.70 = 23,382.28/x
  3. Step 3: Cross multiply
    28,436.68x = 39,209.70 × 23,382.28
  4. Step 4: Simplify right side
    28,436.68x = 916,812,184.12
  5. Step 5: Solve for x
    x = 916,812,184.12/28,436.68
  6. Step 6: Final answer
    x = 32,240.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.