Home / 27,803.64-38,386.71-18,260.46

Finding the Fourth Proportional to 27,803.64, 38,386.71 and 18,260.46

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Solution

The fourth proportional to 27,803.64, 38,386.71 and 18,260.46 is: 25,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,803.64 : 38,386.71 = 18,260.46 : x
  2. Step 2: Convert to fraction form
    27,803.64/38,386.71 = 18,260.46/x
  3. Step 3: Cross multiply
    27,803.64x = 38,386.71 × 18,260.46
  4. Step 4: Simplify right side
    27,803.64x = 700,958,982.49
  5. Step 5: Solve for x
    x = 700,958,982.49/27,803.64
  6. Step 6: Final answer
    x = 25,211.05

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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.