Home / 28,500.54-42,748.65-10,019.58

Finding the Fourth Proportional to 28,500.54, 42,748.65 and 10,019.58

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Solution

The fourth proportional to 28,500.54, 42,748.65 and 10,019.58 is: 15,028.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,500.54 : 42,748.65 = 10,019.58 : x
  2. Step 2: Convert to fraction form
    28,500.54/42,748.65 = 10,019.58/x
  3. Step 3: Cross multiply
    28,500.54x = 42,748.65 × 10,019.58
  4. Step 4: Simplify right side
    28,500.54x = 428,323,518.57
  5. Step 5: Solve for x
    x = 428,323,518.57/28,500.54
  6. Step 6: Final answer
    x = 15,028.61

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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.