Home / 28,746.76-43,120.14-12,933.32

Finding the Fourth Proportional to 28,746.76, 43,120.14 and 12,933.32

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Solution

The fourth proportional to 28,746.76, 43,120.14 and 12,933.32 is: 19,399.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746.76 : 43,120.14 = 12,933.32 : x
  2. Step 2: Convert to fraction form
    28,746.76/43,120.14 = 12,933.32/x
  3. Step 3: Cross multiply
    28,746.76x = 43,120.14 × 12,933.32
  4. Step 4: Simplify right side
    28,746.76x = 557,686,353.46
  5. Step 5: Solve for x
    x = 557,686,353.46/28,746.76
  6. Step 6: Final answer
    x = 19,399.97

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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.