Home / 26,756.36-36,928.98-15,433.16

Finding the Fourth Proportional to 26,756.36, 36,928.98 and 15,433.16

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Solution

The fourth proportional to 26,756.36, 36,928.98 and 15,433.16 is: 21,300.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,756.36 : 36,928.98 = 15,433.16 : x
  2. Step 2: Convert to fraction form
    26,756.36/36,928.98 = 15,433.16/x
  3. Step 3: Cross multiply
    26,756.36x = 36,928.98 × 15,433.16
  4. Step 4: Simplify right side
    26,756.36x = 569,930,856.98
  5. Step 5: Solve for x
    x = 569,930,856.98/26,756.36
  6. Step 6: Final answer
    x = 21,300.76

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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.