Home / 43,315.88-64,973.84-15,256.72

Finding the Fourth Proportional to 43,315.88, 64,973.84 and 15,256.72

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Solution

The fourth proportional to 43,315.88, 64,973.84 and 15,256.72 is: 22,885.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,315.88 : 64,973.84 = 15,256.72 : x
  2. Step 2: Convert to fraction form
    43,315.88/64,973.84 = 15,256.72/x
  3. Step 3: Cross multiply
    43,315.88x = 64,973.84 × 15,256.72
  4. Step 4: Simplify right side
    43,315.88x = 991,287,684.20
  5. Step 5: Solve for x
    x = 991,287,684.20/43,315.88
  6. Step 6: Final answer
    x = 22,885.09

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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.