Home / 29,416.49-40,595-15,987.75

Finding the Fourth Proportional to 29,416.49, 40,595 and 15,987.75

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Solution

The fourth proportional to 29,416.49, 40,595 and 15,987.75 is: 22,063.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,416.49 : 40,595 = 15,987.75 : x
  2. Step 2: Convert to fraction form
    29,416.49/40,595 = 15,987.75/x
  3. Step 3: Cross multiply
    29,416.49x = 40,595 × 15,987.75
  4. Step 4: Simplify right side
    29,416.49x = 649,022,711.25
  5. Step 5: Solve for x
    x = 649,022,711.25/29,416.49
  6. Step 6: Final answer
    x = 22,063.23

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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.