Home / 28,971.24-43,460.52-10,247.40

Finding the Fourth Proportional to 28,971.24, 43,460.52 and 10,247.40

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Solution

The fourth proportional to 28,971.24, 43,460.52 and 10,247.40 is: 15,372.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,971.24 : 43,460.52 = 10,247.40 : x
  2. Step 2: Convert to fraction form
    28,971.24/43,460.52 = 10,247.40/x
  3. Step 3: Cross multiply
    28,971.24x = 43,460.52 × 10,247.40
  4. Step 4: Simplify right side
    28,971.24x = 445,357,332.65
  5. Step 5: Solve for x
    x = 445,357,332.65/28,971.24
  6. Step 6: Final answer
    x = 15,372.39

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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.