Home / 28,856.30-43,284.45-25,400.30

Finding the Fourth Proportional to 28,856.30, 43,284.45 and 25,400.30

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Solution

The fourth proportional to 28,856.30, 43,284.45 and 25,400.30 is: 38,100.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,856.30 : 43,284.45 = 25,400.30 : x
  2. Step 2: Convert to fraction form
    28,856.30/43,284.45 = 25,400.30/x
  3. Step 3: Cross multiply
    28,856.30x = 43,284.45 × 25,400.30
  4. Step 4: Simplify right side
    28,856.30x = 1,099,438,015.34
  5. Step 5: Solve for x
    x = 1,099,438,015.34/28,856.30
  6. Step 6: Final answer
    x = 38,100.45

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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.