Home / 19,915.24-29,872.86-18,602.92

Finding the Fourth Proportional to 19,915.24, 29,872.86 and 18,602.92

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Solution

The fourth proportional to 19,915.24, 29,872.86 and 18,602.92 is: 27,904.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,915.24 : 29,872.86 = 18,602.92 : x
  2. Step 2: Convert to fraction form
    19,915.24/29,872.86 = 18,602.92/x
  3. Step 3: Cross multiply
    19,915.24x = 29,872.86 × 18,602.92
  4. Step 4: Simplify right side
    19,915.24x = 555,722,424.75
  5. Step 5: Solve for x
    x = 555,722,424.75/19,915.24
  6. Step 6: Final answer
    x = 27,904.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.