Home / 40,855.89-61,287.60-15,897.81

Finding the Fourth Proportional to 40,855.89, 61,287.60 and 15,897.81

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Solution

The fourth proportional to 40,855.89, 61,287.60 and 15,897.81 is: 23,848.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,855.89 : 61,287.60 = 15,897.81 : x
  2. Step 2: Convert to fraction form
    40,855.89/61,287.60 = 15,897.81/x
  3. Step 3: Cross multiply
    40,855.89x = 61,287.60 × 15,897.81
  4. Step 4: Simplify right side
    40,855.89x = 974,338,620.16
  5. Step 5: Solve for x
    x = 974,338,620.16/40,855.89
  6. Step 6: Final answer
    x = 23,848.18

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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.