Home / 28,938.96-43,411.92-10,215.14

Finding the Fourth Proportional to 28,938.96, 43,411.92 and 10,215.14

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Solution

The fourth proportional to 28,938.96, 43,411.92 and 10,215.14 is: 15,323.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,938.96 : 43,411.92 = 10,215.14 : x
  2. Step 2: Convert to fraction form
    28,938.96/43,411.92 = 10,215.14/x
  3. Step 3: Cross multiply
    28,938.96x = 43,411.92 × 10,215.14
  4. Step 4: Simplify right side
    28,938.96x = 443,458,840.47
  5. Step 5: Solve for x
    x = 443,458,840.47/28,938.96
  6. Step 6: Final answer
    x = 15,323.94

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1.5x scale

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.