Home / 28,860.15-43,229.49-14,777.40

Finding the Fourth Proportional to 28,860.15, 43,229.49 and 14,777.40

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Solution

The fourth proportional to 28,860.15, 43,229.49 and 14,777.40 is: 22,135.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.15 : 43,229.49 = 14,777.40 : x
  2. Step 2: Convert to fraction form
    28,860.15/43,229.49 = 14,777.40/x
  3. Step 3: Cross multiply
    28,860.15x = 43,229.49 × 14,777.40
  4. Step 4: Simplify right side
    28,860.15x = 638,819,465.53
  5. Step 5: Solve for x
    x = 638,819,465.53/28,860.15
  6. Step 6: Final answer
    x = 22,135.00

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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.