Home / 29,364.21-40,522.64-15,935.47

Finding the Fourth Proportional to 29,364.21, 40,522.64 and 15,935.47

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Solution

The fourth proportional to 29,364.21, 40,522.64 and 15,935.47 is: 21,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,364.21 : 40,522.64 = 15,935.47 : x
  2. Step 2: Convert to fraction form
    29,364.21/40,522.64 = 15,935.47/x
  3. Step 3: Cross multiply
    29,364.21x = 40,522.64 × 15,935.47
  4. Step 4: Simplify right side
    29,364.21x = 645,747,031.75
  5. Step 5: Solve for x
    x = 645,747,031.75/29,364.21
  6. Step 6: Final answer
    x = 21,990.96

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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.