Home / 21,570.41-32,357.01-6,779.95

Finding the Fourth Proportional to 21,570.41, 32,357.01 and 6,779.95

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Solution

The fourth proportional to 21,570.41, 32,357.01 and 6,779.95 is: 10,170.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,570.41 : 32,357.01 = 6,779.95 : x
  2. Step 2: Convert to fraction form
    21,570.41/32,357.01 = 6,779.95/x
  3. Step 3: Cross multiply
    21,570.41x = 32,357.01 × 6,779.95
  4. Step 4: Simplify right side
    21,570.41x = 219,378,909.95
  5. Step 5: Solve for x
    x = 219,378,909.95/21,570.41
  6. Step 6: Final answer
    x = 10,170.36

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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.