Home / 20,491.04-30,762.48-17,432.48

Finding the Fourth Proportional to 20,491.04, 30,762.48 and 17,432.48

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Solution

The fourth proportional to 20,491.04, 30,762.48 and 17,432.48 is: 26,170.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,491.04 : 30,762.48 = 17,432.48 : x
  2. Step 2: Convert to fraction form
    20,491.04/30,762.48 = 17,432.48/x
  3. Step 3: Cross multiply
    20,491.04x = 30,762.48 × 17,432.48
  4. Step 4: Simplify right side
    20,491.04x = 536,266,317.35
  5. Step 5: Solve for x
    x = 536,266,317.35/20,491.04
  6. Step 6: Final answer
    x = 26,170.77

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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.