Home / 21,619.35-32,417.10-7,575.66

Finding the Fourth Proportional to 21,619.35, 32,417.10 and 7,575.66

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Solution

The fourth proportional to 21,619.35, 32,417.10 and 7,575.66 is: 11,359.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,619.35 : 32,417.10 = 7,575.66 : x
  2. Step 2: Convert to fraction form
    21,619.35/32,417.10 = 7,575.66/x
  3. Step 3: Cross multiply
    21,619.35x = 32,417.10 × 7,575.66
  4. Step 4: Simplify right side
    21,619.35x = 245,580,927.79
  5. Step 5: Solve for x
    x = 245,580,927.79/21,619.35
  6. Step 6: Final answer
    x = 11,359.31

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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.