Home / 27,681.93-38,207.29-18,116.27

Finding the Fourth Proportional to 27,681.93, 38,207.29 and 18,116.27

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Solution

The fourth proportional to 27,681.93, 38,207.29 and 18,116.27 is: 25,004.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,681.93 : 38,207.29 = 18,116.27 : x
  2. Step 2: Convert to fraction form
    27,681.93/38,207.29 = 18,116.27/x
  3. Step 3: Cross multiply
    27,681.93x = 38,207.29 × 18,116.27
  4. Step 4: Simplify right side
    27,681.93x = 692,173,345.28
  5. Step 5: Solve for x
    x = 692,173,345.28/27,681.93
  6. Step 6: Final answer
    x = 25,004.52

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Double scale
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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.