Home / 28,536.75-42,824.57-10,068.75

Finding the Fourth Proportional to 28,536.75, 42,824.57 and 10,068.75

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Solution

The fourth proportional to 28,536.75, 42,824.57 and 10,068.75 is: 15,109.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,536.75 : 42,824.57 = 10,068.75 : x
  2. Step 2: Convert to fraction form
    28,536.75/42,824.57 = 10,068.75/x
  3. Step 3: Cross multiply
    28,536.75x = 42,824.57 × 10,068.75
  4. Step 4: Simplify right side
    28,536.75x = 431,189,838.84
  5. Step 5: Solve for x
    x = 431,189,838.84/28,536.75
  6. Step 6: Final answer
    x = 15,109.98

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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.