Home / 28,087.46-42,135.51-10,558.52

Finding the Fourth Proportional to 28,087.46, 42,135.51 and 10,558.52

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Solution

The fourth proportional to 28,087.46, 42,135.51 and 10,558.52 is: 15,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,087.46 : 42,135.51 = 10,558.52 : x
  2. Step 2: Convert to fraction form
    28,087.46/42,135.51 = 10,558.52/x
  3. Step 3: Cross multiply
    28,087.46x = 42,135.51 × 10,558.52
  4. Step 4: Simplify right side
    28,087.46x = 444,888,625.05
  5. Step 5: Solve for x
    x = 444,888,625.05/28,087.46
  6. Step 6: Final answer
    x = 15,839.40

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1.5x scale

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.