Home / 26,500.28-36,533.84-21,140.89

Finding the Fourth Proportional to 26,500.28, 36,533.84 and 21,140.89

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Solution

The fourth proportional to 26,500.28, 36,533.84 and 21,140.89 is: 29,145.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,500.28 : 36,533.84 = 21,140.89 : x
  2. Step 2: Convert to fraction form
    26,500.28/36,533.84 = 21,140.89/x
  3. Step 3: Cross multiply
    26,500.28x = 36,533.84 × 21,140.89
  4. Step 4: Simplify right side
    26,500.28x = 772,357,695.68
  5. Step 5: Solve for x
    x = 772,357,695.68/26,500.28
  6. Step 6: Final answer
    x = 29,145.27

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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.