Home / 27,555.12-38,026.26-14,979.87

Finding the Fourth Proportional to 27,555.12, 38,026.26 and 14,979.87

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Solution

The fourth proportional to 27,555.12, 38,026.26 and 14,979.87 is: 20,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555.12 : 38,026.26 = 14,979.87 : x
  2. Step 2: Convert to fraction form
    27,555.12/38,026.26 = 14,979.87/x
  3. Step 3: Cross multiply
    27,555.12x = 38,026.26 × 14,979.87
  4. Step 4: Simplify right side
    27,555.12x = 569,628,431.39
  5. Step 5: Solve for x
    x = 569,628,431.39/27,555.12
  6. Step 6: Final answer
    x = 20,672.33

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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.