Home / 26,756.75-36,924.23-15,426.20

Finding the Fourth Proportional to 26,756.75, 36,924.23 and 15,426.20

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Solution

The fourth proportional to 26,756.75, 36,924.23 and 15,426.20 is: 21,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,756.75 : 36,924.23 = 15,426.20 : x
  2. Step 2: Convert to fraction form
    26,756.75/36,924.23 = 15,426.20/x
  3. Step 3: Cross multiply
    26,756.75x = 36,924.23 × 15,426.20
  4. Step 4: Simplify right side
    26,756.75x = 569,600,295.07
  5. Step 5: Solve for x
    x = 569,600,295.07/26,756.75
  6. Step 6: Final answer
    x = 21,288.10

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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.