Home / 19,903.18-29,860.23-15,757

Finding the Fourth Proportional to 19,903.18, 29,860.23 and 15,757

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Solution

The fourth proportional to 19,903.18, 29,860.23 and 15,757 is: 23,639.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903.18 : 29,860.23 = 15,757 : x
  2. Step 2: Convert to fraction form
    19,903.18/29,860.23 = 15,757/x
  3. Step 3: Cross multiply
    19,903.18x = 29,860.23 × 15,757
  4. Step 4: Simplify right side
    19,903.18x = 470,507,644.11
  5. Step 5: Solve for x
    x = 470,507,644.11/19,903.18
  6. Step 6: Final answer
    x = 23,639.82

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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.