Home / 27,316.74-37,676.88-18,821.64

Finding the Fourth Proportional to 27,316.74, 37,676.88 and 18,821.64

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Solution

The fourth proportional to 27,316.74, 37,676.88 and 18,821.64 is: 25,959.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,316.74 : 37,676.88 = 18,821.64 : x
  2. Step 2: Convert to fraction form
    27,316.74/37,676.88 = 18,821.64/x
  3. Step 3: Cross multiply
    27,316.74x = 37,676.88 × 18,821.64
  4. Step 4: Simplify right side
    27,316.74x = 709,140,671.68
  5. Step 5: Solve for x
    x = 709,140,671.68/27,316.74
  6. Step 6: Final answer
    x = 25,959.93

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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.