Home / 21,488.99-32,246.25-11,628.05

Finding the Fourth Proportional to 21,488.99, 32,246.25 and 11,628.05

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Solution

The fourth proportional to 21,488.99, 32,246.25 and 11,628.05 is: 17,448.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,488.99 : 32,246.25 = 11,628.05 : x
  2. Step 2: Convert to fraction form
    21,488.99/32,246.25 = 11,628.05/x
  3. Step 3: Cross multiply
    21,488.99x = 32,246.25 × 11,628.05
  4. Step 4: Simplify right side
    21,488.99x = 374,961,007.31
  5. Step 5: Solve for x
    x = 374,961,007.31/21,488.99
  6. Step 6: Final answer
    x = 17,448.98

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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.