Home / 27,465.12-37,899.60-15,529.68

Finding the Fourth Proportional to 27,465.12, 37,899.60 and 15,529.68

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Solution

The fourth proportional to 27,465.12, 37,899.60 and 15,529.68 is: 21,429.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,465.12 : 37,899.60 = 15,529.68 : x
  2. Step 2: Convert to fraction form
    27,465.12/37,899.60 = 15,529.68/x
  3. Step 3: Cross multiply
    27,465.12x = 37,899.60 × 15,529.68
  4. Step 4: Simplify right side
    27,465.12x = 588,568,660.13
  5. Step 5: Solve for x
    x = 588,568,660.13/27,465.12
  6. Step 6: Final answer
    x = 21,429.68

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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.