Home / 28,928.51-43,419.50-17,856.83

Finding the Fourth Proportional to 28,928.51, 43,419.50 and 17,856.83

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Solution

The fourth proportional to 28,928.51, 43,419.50 and 17,856.83 is: 26,801.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928.51 : 43,419.50 = 17,856.83 : x
  2. Step 2: Convert to fraction form
    28,928.51/43,419.50 = 17,856.83/x
  3. Step 3: Cross multiply
    28,928.51x = 43,419.50 × 17,856.83
  4. Step 4: Simplify right side
    28,928.51x = 775,334,323.80
  5. Step 5: Solve for x
    x = 775,334,323.80/28,928.51
  6. Step 6: Final answer
    x = 26,801.74

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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.