Home / 28,102.08-38,799.36-17,506.56

Finding the Fourth Proportional to 28,102.08, 38,799.36 and 17,506.56

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Solution

The fourth proportional to 28,102.08, 38,799.36 and 17,506.56 is: 24,170.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,102.08 : 38,799.36 = 17,506.56 : x
  2. Step 2: Convert to fraction form
    28,102.08/38,799.36 = 17,506.56/x
  3. Step 3: Cross multiply
    28,102.08x = 38,799.36 × 17,506.56
  4. Step 4: Simplify right side
    28,102.08x = 679,243,323.80
  5. Step 5: Solve for x
    x = 679,243,323.80/28,102.08
  6. Step 6: Final answer
    x = 24,170.57

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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.