Home / 20,744.52-30,984.60-18,767.16

Finding the Fourth Proportional to 20,744.52, 30,984.60 and 18,767.16

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Solution

The fourth proportional to 20,744.52, 30,984.60 and 18,767.16 is: 28,031.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,744.52 : 30,984.60 = 18,767.16 : x
  2. Step 2: Convert to fraction form
    20,744.52/30,984.60 = 18,767.16/x
  3. Step 3: Cross multiply
    20,744.52x = 30,984.60 × 18,767.16
  4. Step 4: Simplify right side
    20,744.52x = 581,492,945.74
  5. Step 5: Solve for x
    x = 581,492,945.74/20,744.52
  6. Step 6: Final answer
    x = 28,031.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.