Home / 28,950.40-43,420.43-15,617.19

Finding the Fourth Proportional to 28,950.40, 43,420.43 and 15,617.19

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Solution

The fourth proportional to 28,950.40, 43,420.43 and 15,617.19 is: 23,423.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,950.40 : 43,420.43 = 15,617.19 : x
  2. Step 2: Convert to fraction form
    28,950.40/43,420.43 = 15,617.19/x
  3. Step 3: Cross multiply
    28,950.40x = 43,420.43 × 15,617.19
  4. Step 4: Simplify right side
    28,950.40x = 678,105,144.23
  5. Step 5: Solve for x
    x = 678,105,144.23/28,950.40
  6. Step 6: Final answer
    x = 23,423.00

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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.