Home / 21,823.52-32,738.30-7,779.41

Finding the Fourth Proportional to 21,823.52, 32,738.30 and 7,779.41

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Solution

The fourth proportional to 21,823.52, 32,738.30 and 7,779.41 is: 11,670.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,823.52 : 32,738.30 = 7,779.41 : x
  2. Step 2: Convert to fraction form
    21,823.52/32,738.30 = 7,779.41/x
  3. Step 3: Cross multiply
    21,823.52x = 32,738.30 × 7,779.41
  4. Step 4: Simplify right side
    21,823.52x = 254,684,455.81
  5. Step 5: Solve for x
    x = 254,684,455.81/21,823.52
  6. Step 6: Final answer
    x = 11,670.18

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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.