Home / 26,529.74-36,606.15-15,778.20

Finding the Fourth Proportional to 26,529.74, 36,606.15 and 15,778.20

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Solution

The fourth proportional to 26,529.74, 36,606.15 and 15,778.20 is: 21,771.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,529.74 : 36,606.15 = 15,778.20 : x
  2. Step 2: Convert to fraction form
    26,529.74/36,606.15 = 15,778.20/x
  3. Step 3: Cross multiply
    26,529.74x = 36,606.15 × 15,778.20
  4. Step 4: Simplify right side
    26,529.74x = 577,579,155.93
  5. Step 5: Solve for x
    x = 577,579,155.93/26,529.74
  6. Step 6: Final answer
    x = 21,771.01

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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.