Home / 27,923.79-38,534.97-15,349.35

Finding the Fourth Proportional to 27,923.79, 38,534.97 and 15,349.35

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Solution

The fourth proportional to 27,923.79, 38,534.97 and 15,349.35 is: 21,182.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,923.79 : 38,534.97 = 15,349.35 : x
  2. Step 2: Convert to fraction form
    27,923.79/38,534.97 = 15,349.35/x
  3. Step 3: Cross multiply
    27,923.79x = 38,534.97 × 15,349.35
  4. Step 4: Simplify right side
    27,923.79x = 591,486,741.77
  5. Step 5: Solve for x
    x = 591,486,741.77/27,923.79
  6. Step 6: Final answer
    x = 21,182.18

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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.