Home / 28,749.76-43,103.07-19,363.43

Finding the Fourth Proportional to 28,749.76, 43,103.07 and 19,363.43

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Solution

The fourth proportional to 28,749.76, 43,103.07 and 19,363.43 is: 29,030.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.76 : 43,103.07 = 19,363.43 : x
  2. Step 2: Convert to fraction form
    28,749.76/43,103.07 = 19,363.43/x
  3. Step 3: Cross multiply
    28,749.76x = 43,103.07 × 19,363.43
  4. Step 4: Simplify right side
    28,749.76x = 834,623,386.49
  5. Step 5: Solve for x
    x = 834,623,386.49/28,749.76
  6. Step 6: Final answer
    x = 29,030.62

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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.