Home / 21,828.17-32,749.10-9,184.58

Finding the Fourth Proportional to 21,828.17, 32,749.10 and 9,184.58

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Solution

The fourth proportional to 21,828.17, 32,749.10 and 9,184.58 is: 13,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,828.17 : 32,749.10 = 9,184.58 : x
  2. Step 2: Convert to fraction form
    21,828.17/32,749.10 = 9,184.58/x
  3. Step 3: Cross multiply
    21,828.17x = 32,749.10 × 9,184.58
  4. Step 4: Simplify right side
    21,828.17x = 300,786,642.02
  5. Step 5: Solve for x
    x = 300,786,642.02/21,828.17
  6. Step 6: Final answer
    x = 13,779.74

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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.