Home / 57,943.43-86,928.69-17,960.31

Finding the Fourth Proportional to 57,943.43, 86,928.69 and 17,960.31

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Solution

The fourth proportional to 57,943.43, 86,928.69 and 17,960.31 is: 26,944.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,943.43 : 86,928.69 = 17,960.31 : x
  2. Step 2: Convert to fraction form
    57,943.43/86,928.69 = 17,960.31/x
  3. Step 3: Cross multiply
    57,943.43x = 86,928.69 × 17,960.31
  4. Step 4: Simplify right side
    57,943.43x = 1,561,266,220.29
  5. Step 5: Solve for x
    x = 1,561,266,220.29/57,943.43
  6. Step 6: Final answer
    x = 26,944.67

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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.