Home / 27,440.16-37,853.64-18,005.28

Finding the Fourth Proportional to 27,440.16, 37,853.64 and 18,005.28

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Solution

The fourth proportional to 27,440.16, 37,853.64 and 18,005.28 is: 24,838.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,440.16 : 37,853.64 = 18,005.28 : x
  2. Step 2: Convert to fraction form
    27,440.16/37,853.64 = 18,005.28/x
  3. Step 3: Cross multiply
    27,440.16x = 37,853.64 × 18,005.28
  4. Step 4: Simplify right side
    27,440.16x = 681,565,387.22
  5. Step 5: Solve for x
    x = 681,565,387.22/27,440.16
  6. Step 6: Final answer
    x = 24,838.24

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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.