Home / 28,526.88-39,360.42-17,193.36

Finding the Fourth Proportional to 28,526.88, 39,360.42 and 17,193.36

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Solution

The fourth proportional to 28,526.88, 39,360.42 and 17,193.36 is: 23,722.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,526.88 : 39,360.42 = 17,193.36 : x
  2. Step 2: Convert to fraction form
    28,526.88/39,360.42 = 17,193.36/x
  3. Step 3: Cross multiply
    28,526.88x = 39,360.42 × 17,193.36
  4. Step 4: Simplify right side
    28,526.88x = 676,737,870.81
  5. Step 5: Solve for x
    x = 676,737,870.81/28,526.88
  6. Step 6: Final answer
    x = 23,722.81

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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.