Home / 27,727-38,263.53-15,151.75

Finding the Fourth Proportional to 27,727, 38,263.53 and 15,151.75

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Solution

The fourth proportional to 27,727, 38,263.53 and 15,151.75 is: 20,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,727 : 38,263.53 = 15,151.75 : x
  2. Step 2: Convert to fraction form
    27,727/38,263.53 = 15,151.75/x
  3. Step 3: Cross multiply
    27,727x = 38,263.53 × 15,151.75
  4. Step 4: Simplify right side
    27,727x = 579,759,440.68
  5. Step 5: Solve for x
    x = 579,759,440.68/27,727
  6. Step 6: Final answer
    x = 20,909.56

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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.