Home / 27,727.08-38,263.38-15,151.82

Finding the Fourth Proportional to 27,727.08, 38,263.38 and 15,151.82

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Solution

The fourth proportional to 27,727.08, 38,263.38 and 15,151.82 is: 20,909.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,727.08 : 38,263.38 = 15,151.82 : x
  2. Step 2: Convert to fraction form
    27,727.08/38,263.38 = 15,151.82/x
  3. Step 3: Cross multiply
    27,727.08x = 38,263.38 × 15,151.82
  4. Step 4: Simplify right side
    27,727.08x = 579,759,846.35
  5. Step 5: Solve for x
    x = 579,759,846.35/27,727.08
  6. Step 6: Final answer
    x = 20,909.52

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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.