Home / 27,076.72-37,354.20-19,117.68

Finding the Fourth Proportional to 27,076.72, 37,354.20 and 19,117.68

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Solution

The fourth proportional to 27,076.72, 37,354.20 and 19,117.68 is: 26,374.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,076.72 : 37,354.20 = 19,117.68 : x
  2. Step 2: Convert to fraction form
    27,076.72/37,354.20 = 19,117.68/x
  3. Step 3: Cross multiply
    27,076.72x = 37,354.20 × 19,117.68
  4. Step 4: Simplify right side
    27,076.72x = 714,125,642.26
  5. Step 5: Solve for x
    x = 714,125,642.26/27,076.72
  6. Step 6: Final answer
    x = 26,374.16

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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.