Home / 21,360.62-32,038.38-5,779.46

Finding the Fourth Proportional to 21,360.62, 32,038.38 and 5,779.46

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Solution

The fourth proportional to 21,360.62, 32,038.38 and 5,779.46 is: 8,668.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,360.62 : 32,038.38 = 5,779.46 : x
  2. Step 2: Convert to fraction form
    21,360.62/32,038.38 = 5,779.46/x
  3. Step 3: Cross multiply
    21,360.62x = 32,038.38 × 5,779.46
  4. Step 4: Simplify right side
    21,360.62x = 185,164,535.67
  5. Step 5: Solve for x
    x = 185,164,535.67/21,360.62
  6. Step 6: Final answer
    x = 8,668.50

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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.