Home / 26,369.59-36,388.95-15,765.07

Finding the Fourth Proportional to 26,369.59, 36,388.95 and 15,765.07

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Solution

The fourth proportional to 26,369.59, 36,388.95 and 15,765.07 is: 21,755.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,369.59 : 36,388.95 = 15,765.07 : x
  2. Step 2: Convert to fraction form
    26,369.59/36,388.95 = 15,765.07/x
  3. Step 3: Cross multiply
    26,369.59x = 36,388.95 × 15,765.07
  4. Step 4: Simplify right side
    26,369.59x = 573,674,343.98
  5. Step 5: Solve for x
    x = 573,674,343.98/26,369.59
  6. Step 6: Final answer
    x = 21,755.15

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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.