Home / 28,856.58-43,284.90-15,734.58

Finding the Fourth Proportional to 28,856.58, 43,284.90 and 15,734.58

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Solution

The fourth proportional to 28,856.58, 43,284.90 and 15,734.58 is: 23,601.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,856.58 : 43,284.90 = 15,734.58 : x
  2. Step 2: Convert to fraction form
    28,856.58/43,284.90 = 15,734.58/x
  3. Step 3: Cross multiply
    28,856.58x = 43,284.90 × 15,734.58
  4. Step 4: Simplify right side
    28,856.58x = 681,069,721.84
  5. Step 5: Solve for x
    x = 681,069,721.84/28,856.58
  6. Step 6: Final answer
    x = 23,601.89

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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.