Home / 38,088.73-57,142.21-15,889.77

Finding the Fourth Proportional to 38,088.73, 57,142.21 and 15,889.77

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Solution

The fourth proportional to 38,088.73, 57,142.21 and 15,889.77 is: 23,838.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,088.73 : 57,142.21 = 15,889.77 : x
  2. Step 2: Convert to fraction form
    38,088.73/57,142.21 = 15,889.77/x
  3. Step 3: Cross multiply
    38,088.73x = 57,142.21 × 15,889.77
  4. Step 4: Simplify right side
    38,088.73x = 907,976,564.26
  5. Step 5: Solve for x
    x = 907,976,564.26/38,088.73
  6. Step 6: Final answer
    x = 23,838.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.