Home / 27,448.64-37,859.12-17,378.72

Finding the Fourth Proportional to 27,448.64, 37,859.12 and 17,378.72

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Solution

The fourth proportional to 27,448.64, 37,859.12 and 17,378.72 is: 23,969.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,448.64 : 37,859.12 = 17,378.72 : x
  2. Step 2: Convert to fraction form
    27,448.64/37,859.12 = 17,378.72/x
  3. Step 3: Cross multiply
    27,448.64x = 37,859.12 × 17,378.72
  4. Step 4: Simplify right side
    27,448.64x = 657,943,045.93
  5. Step 5: Solve for x
    x = 657,943,045.93/27,448.64
  6. Step 6: Final answer
    x = 23,969.97

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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.