Home / 28,154.88-42,052.47-25,482.39

Finding the Fourth Proportional to 28,154.88, 42,052.47 and 25,482.39

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Solution

The fourth proportional to 28,154.88, 42,052.47 and 25,482.39 is: 38,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,154.88 : 42,052.47 = 25,482.39 : x
  2. Step 2: Convert to fraction form
    28,154.88/42,052.47 = 25,482.39/x
  3. Step 3: Cross multiply
    28,154.88x = 42,052.47 × 25,482.39
  4. Step 4: Simplify right side
    28,154.88x = 1,071,597,441.00
  5. Step 5: Solve for x
    x = 1,071,597,441.00/28,154.88
  6. Step 6: Final answer
    x = 38,060.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.