Home / 35,703.60-53,588.28-18,186

Finding the Fourth Proportional to 35,703.60, 53,588.28 and 18,186

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Solution

The fourth proportional to 35,703.60, 53,588.28 and 18,186 is: 27,295.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,703.60 : 53,588.28 = 18,186 : x
  2. Step 2: Convert to fraction form
    35,703.60/53,588.28 = 18,186/x
  3. Step 3: Cross multiply
    35,703.60x = 53,588.28 × 18,186
  4. Step 4: Simplify right side
    35,703.60x = 974,556,460.08
  5. Step 5: Solve for x
    x = 974,556,460.08/35,703.60
  6. Step 6: Final answer
    x = 27,295.75

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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.