Home / 28,049.12-38,706.72-17,436.32

Finding the Fourth Proportional to 28,049.12, 38,706.72 and 17,436.32

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Solution

The fourth proportional to 28,049.12, 38,706.72 and 17,436.32 is: 24,061.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,049.12 : 38,706.72 = 17,436.32 : x
  2. Step 2: Convert to fraction form
    28,049.12/38,706.72 = 17,436.32/x
  3. Step 3: Cross multiply
    28,049.12x = 38,706.72 × 17,436.32
  4. Step 4: Simplify right side
    28,049.12x = 674,902,756.07
  5. Step 5: Solve for x
    x = 674,902,756.07/28,049.12
  6. Step 6: Final answer
    x = 24,061.46

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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.