Home / 26,656.79-36,786.38-14,720.93

Finding the Fourth Proportional to 26,656.79, 36,786.38 and 14,720.93

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Solution

The fourth proportional to 26,656.79, 36,786.38 and 14,720.93 is: 20,314.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,656.79 : 36,786.38 = 14,720.93 : x
  2. Step 2: Convert to fraction form
    26,656.79/36,786.38 = 14,720.93/x
  3. Step 3: Cross multiply
    26,656.79x = 36,786.38 × 14,720.93
  4. Step 4: Simplify right side
    26,656.79x = 541,529,743.29
  5. Step 5: Solve for x
    x = 541,529,743.29/26,656.79
  6. Step 6: Final answer
    x = 20,314.89

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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.