Home / 26,529.87-36,663.74-21,742.26

Finding the Fourth Proportional to 26,529.87, 36,663.74 and 21,742.26

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Solution

The fourth proportional to 26,529.87, 36,663.74 and 21,742.26 is: 30,047.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,529.87 : 36,663.74 = 21,742.26 : x
  2. Step 2: Convert to fraction form
    26,529.87/36,663.74 = 21,742.26/x
  3. Step 3: Cross multiply
    26,529.87x = 36,663.74 × 21,742.26
  4. Step 4: Simplify right side
    26,529.87x = 797,152,458.94
  5. Step 5: Solve for x
    x = 797,152,458.94/26,529.87
  6. Step 6: Final answer
    x = 30,047.36

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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.