Home / 22,044.89-30,430.67-15,334.41

Finding the Fourth Proportional to 22,044.89, 30,430.67 and 15,334.41

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Solution

The fourth proportional to 22,044.89, 30,430.67 and 15,334.41 is: 21,167.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,044.89 : 30,430.67 = 15,334.41 : x
  2. Step 2: Convert to fraction form
    22,044.89/30,430.67 = 15,334.41/x
  3. Step 3: Cross multiply
    22,044.89x = 30,430.67 × 15,334.41
  4. Step 4: Simplify right side
    22,044.89x = 466,636,370.35
  5. Step 5: Solve for x
    x = 466,636,370.35/22,044.89
  6. Step 6: Final answer
    x = 21,167.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.