Home / 28,561.56-39,415.52-17,088.30

Finding the Fourth Proportional to 28,561.56, 39,415.52 and 17,088.30

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Solution

The fourth proportional to 28,561.56, 39,415.52 and 17,088.30 is: 23,582.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,561.56 : 39,415.52 = 17,088.30 : x
  2. Step 2: Convert to fraction form
    28,561.56/39,415.52 = 17,088.30/x
  3. Step 3: Cross multiply
    28,561.56x = 39,415.52 × 17,088.30
  4. Step 4: Simplify right side
    28,561.56x = 673,544,230.42
  5. Step 5: Solve for x
    x = 673,544,230.42/28,561.56
  6. Step 6: Final answer
    x = 23,582.19

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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.