Home / 26,216.84-36,147.79-21,419.01

Finding the Fourth Proportional to 26,216.84, 36,147.79 and 21,419.01

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Solution

The fourth proportional to 26,216.84, 36,147.79 and 21,419.01 is: 29,532.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,216.84 : 36,147.79 = 21,419.01 : x
  2. Step 2: Convert to fraction form
    26,216.84/36,147.79 = 21,419.01/x
  3. Step 3: Cross multiply
    26,216.84x = 36,147.79 × 21,419.01
  4. Step 4: Simplify right side
    26,216.84x = 774,249,875.49
  5. Step 5: Solve for x
    x = 774,249,875.49/26,216.84
  6. Step 6: Final answer
    x = 29,532.54

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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.