Home / 19,438.32-29,005.84-17,343.94

Finding the Fourth Proportional to 19,438.32, 29,005.84 and 17,343.94

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Solution

The fourth proportional to 19,438.32, 29,005.84 and 17,343.94 is: 25,880.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438.32 : 29,005.84 = 17,343.94 : x
  2. Step 2: Convert to fraction form
    19,438.32/29,005.84 = 17,343.94/x
  3. Step 3: Cross multiply
    19,438.32x = 29,005.84 × 17,343.94
  4. Step 4: Simplify right side
    19,438.32x = 503,075,548.61
  5. Step 5: Solve for x
    x = 503,075,548.61/19,438.32
  6. Step 6: Final answer
    x = 25,880.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.