Home / 29,490.84-40,697.28-16,915.50

Finding the Fourth Proportional to 29,490.84, 40,697.28 and 16,915.50

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Solution

The fourth proportional to 29,490.84, 40,697.28 and 16,915.50 is: 23,343.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,490.84 : 40,697.28 = 16,915.50 : x
  2. Step 2: Convert to fraction form
    29,490.84/40,697.28 = 16,915.50/x
  3. Step 3: Cross multiply
    29,490.84x = 40,697.28 × 16,915.50
  4. Step 4: Simplify right side
    29,490.84x = 688,414,839.84
  5. Step 5: Solve for x
    x = 688,414,839.84/29,490.84
  6. Step 6: Final answer
    x = 23,343.34

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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.