Home / 29,190.47-40,282.89-16,615.22

Finding the Fourth Proportional to 29,190.47, 40,282.89 and 16,615.22

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Solution

The fourth proportional to 29,190.47, 40,282.89 and 16,615.22 is: 22,929.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,190.47 : 40,282.89 = 16,615.22 : x
  2. Step 2: Convert to fraction form
    29,190.47/40,282.89 = 16,615.22/x
  3. Step 3: Cross multiply
    29,190.47x = 40,282.89 × 16,615.22
  4. Step 4: Simplify right side
    29,190.47x = 669,309,079.59
  5. Step 5: Solve for x
    x = 669,309,079.59/29,190.47
  6. Step 6: Final answer
    x = 22,929.03

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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.