Home / 21,800.74-32,656.72-19,984.32

Finding the Fourth Proportional to 21,800.74, 32,656.72 and 19,984.32

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Solution

The fourth proportional to 21,800.74, 32,656.72 and 19,984.32 is: 29,935.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,800.74 : 32,656.72 = 19,984.32 : x
  2. Step 2: Convert to fraction form
    21,800.74/32,656.72 = 19,984.32/x
  3. Step 3: Cross multiply
    21,800.74x = 32,656.72 × 19,984.32
  4. Step 4: Simplify right side
    21,800.74x = 652,622,342.63
  5. Step 5: Solve for x
    x = 652,622,342.63/21,800.74
  6. Step 6: Final answer
    x = 29,935.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.