Home / 27,308.66-37,689.57-15,374.34

Finding the Fourth Proportional to 27,308.66, 37,689.57 and 15,374.34

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Solution

The fourth proportional to 27,308.66, 37,689.57 and 15,374.34 is: 21,218.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,308.66 : 37,689.57 = 15,374.34 : x
  2. Step 2: Convert to fraction form
    27,308.66/37,689.57 = 15,374.34/x
  3. Step 3: Cross multiply
    27,308.66x = 37,689.57 × 15,374.34
  4. Step 4: Simplify right side
    27,308.66x = 579,452,263.63
  5. Step 5: Solve for x
    x = 579,452,263.63/27,308.66
  6. Step 6: Final answer
    x = 21,218.63

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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.