Home / 20,301.32-30,564.81-17,588.76

Finding the Fourth Proportional to 20,301.32, 30,564.81 and 17,588.76

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Solution

The fourth proportional to 20,301.32, 30,564.81 and 17,588.76 is: 26,480.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301.32 : 30,564.81 = 17,588.76 : x
  2. Step 2: Convert to fraction form
    20,301.32/30,564.81 = 17,588.76/x
  3. Step 3: Cross multiply
    20,301.32x = 30,564.81 × 17,588.76
  4. Step 4: Simplify right side
    20,301.32x = 537,597,107.54
  5. Step 5: Solve for x
    x = 537,597,107.54/20,301.32
  6. Step 6: Final answer
    x = 26,480.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.