Home / 28,730.16-43,084.57-10,005.39

Finding the Fourth Proportional to 28,730.16, 43,084.57 and 10,005.39

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Solution

The fourth proportional to 28,730.16, 43,084.57 and 10,005.39 is: 15,004.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730.16 : 43,084.57 = 10,005.39 : x
  2. Step 2: Convert to fraction form
    28,730.16/43,084.57 = 10,005.39/x
  3. Step 3: Cross multiply
    28,730.16x = 43,084.57 × 10,005.39
  4. Step 4: Simplify right side
    28,730.16x = 431,077,925.83
  5. Step 5: Solve for x
    x = 431,077,925.83/28,730.16
  6. Step 6: Final answer
    x = 15,004.37

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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.