Home / 28,925.78-43,395.19-10,207.16

Finding the Fourth Proportional to 28,925.78, 43,395.19 and 10,207.16

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Solution

The fourth proportional to 28,925.78, 43,395.19 and 10,207.16 is: 15,313.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,925.78 : 43,395.19 = 10,207.16 : x
  2. Step 2: Convert to fraction form
    28,925.78/43,395.19 = 10,207.16/x
  3. Step 3: Cross multiply
    28,925.78x = 43,395.19 × 10,207.16
  4. Step 4: Simplify right side
    28,925.78x = 442,941,405.07
  5. Step 5: Solve for x
    x = 442,941,405.07/28,925.78
  6. Step 6: Final answer
    x = 15,313.03

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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.