Home / 26,486.32-36,553.66-15,153.56

Finding the Fourth Proportional to 26,486.32, 36,553.66 and 15,153.56

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Solution

The fourth proportional to 26,486.32, 36,553.66 and 15,153.56 is: 20,913.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,486.32 : 36,553.66 = 15,153.56 : x
  2. Step 2: Convert to fraction form
    26,486.32/36,553.66 = 15,153.56/x
  3. Step 3: Cross multiply
    26,486.32x = 36,553.66 × 15,153.56
  4. Step 4: Simplify right side
    26,486.32x = 553,918,080.03
  5. Step 5: Solve for x
    x = 553,918,080.03/26,486.32
  6. Step 6: Final answer
    x = 20,913.37

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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.