Home / 27,710.08-38,238.96-15,773.92

Finding the Fourth Proportional to 27,710.08, 38,238.96 and 15,773.92

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Solution

The fourth proportional to 27,710.08, 38,238.96 and 15,773.92 is: 21,767.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,710.08 : 38,238.96 = 15,773.92 : x
  2. Step 2: Convert to fraction form
    27,710.08/38,238.96 = 15,773.92/x
  3. Step 3: Cross multiply
    27,710.08x = 38,238.96 × 15,773.92
  4. Step 4: Simplify right side
    27,710.08x = 603,178,295.92
  5. Step 5: Solve for x
    x = 603,178,295.92/27,710.08
  6. Step 6: Final answer
    x = 21,767.47

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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.