Home / 29,420.55-40,598.67-15,991.74

Finding the Fourth Proportional to 29,420.55, 40,598.67 and 15,991.74

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Solution

The fourth proportional to 29,420.55, 40,598.67 and 15,991.74 is: 22,067.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,420.55 : 40,598.67 = 15,991.74 : x
  2. Step 2: Convert to fraction form
    29,420.55/40,598.67 = 15,991.74/x
  3. Step 3: Cross multiply
    29,420.55x = 40,598.67 × 15,991.74
  4. Step 4: Simplify right side
    29,420.55x = 649,243,374.99
  5. Step 5: Solve for x
    x = 649,243,374.99/29,420.55
  6. Step 6: Final answer
    x = 22,067.68

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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.