Home / 27,939.41-38,555.62-15,364.16

Finding the Fourth Proportional to 27,939.41, 38,555.62 and 15,364.16

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Solution

The fourth proportional to 27,939.41, 38,555.62 and 15,364.16 is: 21,202.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,939.41 : 38,555.62 = 15,364.16 : x
  2. Step 2: Convert to fraction form
    27,939.41/38,555.62 = 15,364.16/x
  3. Step 3: Cross multiply
    27,939.41x = 38,555.62 × 15,364.16
  4. Step 4: Simplify right side
    27,939.41x = 592,374,483.39
  5. Step 5: Solve for x
    x = 592,374,483.39/27,939.41
  6. Step 6: Final answer
    x = 21,202.12

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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.