Home / 20,088.65-27,716.73-15,826.48

Finding the Fourth Proportional to 20,088.65, 27,716.73 and 15,826.48

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Solution

The fourth proportional to 20,088.65, 27,716.73 and 15,826.48 is: 21,836.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,088.65 : 27,716.73 = 15,826.48 : x
  2. Step 2: Convert to fraction form
    20,088.65/27,716.73 = 15,826.48/x
  3. Step 3: Cross multiply
    20,088.65x = 27,716.73 × 15,826.48
  4. Step 4: Simplify right side
    20,088.65x = 438,658,263.17
  5. Step 5: Solve for x
    x = 438,658,263.17/20,088.65
  6. Step 6: Final answer
    x = 21,836.12

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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.