Home / 27,007.07-37,275.21-15,679.04

Finding the Fourth Proportional to 27,007.07, 37,275.21 and 15,679.04

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Solution

The fourth proportional to 27,007.07, 37,275.21 and 15,679.04 is: 21,640.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,007.07 : 37,275.21 = 15,679.04 : x
  2. Step 2: Convert to fraction form
    27,007.07/37,275.21 = 15,679.04/x
  3. Step 3: Cross multiply
    27,007.07x = 37,275.21 × 15,679.04
  4. Step 4: Simplify right side
    27,007.07x = 584,439,322.22
  5. Step 5: Solve for x
    x = 584,439,322.22/27,007.07
  6. Step 6: Final answer
    x = 21,640.24

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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.