Home / 15,922.46-23,881.80-4,828.70

Finding the Fourth Proportional to 15,922.46, 23,881.80 and 4,828.70

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Solution

The fourth proportional to 15,922.46, 23,881.80 and 4,828.70 is: 7,242.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,922.46 : 23,881.80 = 4,828.70 : x
  2. Step 2: Convert to fraction form
    15,922.46/23,881.80 = 4,828.70/x
  3. Step 3: Cross multiply
    15,922.46x = 23,881.80 × 4,828.70
  4. Step 4: Simplify right side
    15,922.46x = 115,318,047.66
  5. Step 5: Solve for x
    x = 115,318,047.66/15,922.46
  6. Step 6: Final answer
    x = 7,242.48

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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.