Home / 29,270.84-40,393.41-15,841.78

Finding the Fourth Proportional to 29,270.84, 40,393.41 and 15,841.78

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Solution

The fourth proportional to 29,270.84, 40,393.41 and 15,841.78 is: 21,861.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,270.84 : 40,393.41 = 15,841.78 : x
  2. Step 2: Convert to fraction form
    29,270.84/40,393.41 = 15,841.78/x
  3. Step 3: Cross multiply
    29,270.84x = 40,393.41 × 15,841.78
  4. Step 4: Simplify right side
    29,270.84x = 639,903,312.70
  5. Step 5: Solve for x
    x = 639,903,312.70/29,270.84
  6. Step 6: Final answer
    x = 21,861.46

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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.