Home / 28,856.93-43,284.92-9,135.45

Finding the Fourth Proportional to 28,856.93, 43,284.92 and 9,135.45

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Solution

The fourth proportional to 28,856.93, 43,284.92 and 9,135.45 is: 13,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,856.93 : 43,284.92 = 9,135.45 : x
  2. Step 2: Convert to fraction form
    28,856.93/43,284.92 = 9,135.45/x
  3. Step 3: Cross multiply
    28,856.93x = 43,284.92 × 9,135.45
  4. Step 4: Simplify right side
    28,856.93x = 395,427,176.74
  5. Step 5: Solve for x
    x = 395,427,176.74/28,856.93
  6. Step 6: Final answer
    x = 13,703.03

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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.