Home / 23,027.68-31,776.89-12,956.55

Finding the Fourth Proportional to 23,027.68, 31,776.89 and 12,956.55

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Solution

The fourth proportional to 23,027.68, 31,776.89 and 12,956.55 is: 17,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,027.68 : 31,776.89 = 12,956.55 : x
  2. Step 2: Convert to fraction form
    23,027.68/31,776.89 = 12,956.55/x
  3. Step 3: Cross multiply
    23,027.68x = 31,776.89 × 12,956.55
  4. Step 4: Simplify right side
    23,027.68x = 411,718,864.13
  5. Step 5: Solve for x
    x = 411,718,864.13/23,027.68
  6. Step 6: Final answer
    x = 17,879.30

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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.