Home / 28,966.01-43,465.43-15,638.82

Finding the Fourth Proportional to 28,966.01, 43,465.43 and 15,638.82

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Solution

The fourth proportional to 28,966.01, 43,465.43 and 15,638.82 is: 23,467.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,966.01 : 43,465.43 = 15,638.82 : x
  2. Step 2: Convert to fraction form
    28,966.01/43,465.43 = 15,638.82/x
  3. Step 3: Cross multiply
    28,966.01x = 43,465.43 × 15,638.82
  4. Step 4: Simplify right side
    28,966.01x = 679,748,035.99
  5. Step 5: Solve for x
    x = 679,748,035.99/28,966.01
  6. Step 6: Final answer
    x = 23,467.09

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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.