Home / 27,938.16-41,869.08-15,439.68

Finding the Fourth Proportional to 27,938.16, 41,869.08 and 15,439.68

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Solution

The fourth proportional to 27,938.16, 41,869.08 and 15,439.68 is: 23,138.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,938.16 : 41,869.08 = 15,439.68 : x
  2. Step 2: Convert to fraction form
    27,938.16/41,869.08 = 15,439.68/x
  3. Step 3: Cross multiply
    27,938.16x = 41,869.08 × 15,439.68
  4. Step 4: Simplify right side
    27,938.16x = 646,445,197.09
  5. Step 5: Solve for x
    x = 646,445,197.09/27,938.16
  6. Step 6: Final answer
    x = 23,138.43

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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.