Home / 29,088.27-40,157.01-19,578.15

Finding the Fourth Proportional to 29,088.27, 40,157.01 and 19,578.15

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Solution

The fourth proportional to 29,088.27, 40,157.01 and 19,578.15 is: 27,028.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,088.27 : 40,157.01 = 19,578.15 : x
  2. Step 2: Convert to fraction form
    29,088.27/40,157.01 = 19,578.15/x
  3. Step 3: Cross multiply
    29,088.27x = 40,157.01 × 19,578.15
  4. Step 4: Simplify right side
    29,088.27x = 786,199,965.33
  5. Step 5: Solve for x
    x = 786,199,965.33/29,088.27
  6. Step 6: Final answer
    x = 27,028.08

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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.