Home / 28,746.75-43,120.32-10,026.72

Finding the Fourth Proportional to 28,746.75, 43,120.32 and 10,026.72

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Solution

The fourth proportional to 28,746.75, 43,120.32 and 10,026.72 is: 15,040.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746.75 : 43,120.32 = 10,026.72 : x
  2. Step 2: Convert to fraction form
    28,746.75/43,120.32 = 10,026.72/x
  3. Step 3: Cross multiply
    28,746.75x = 43,120.32 × 10,026.72
  4. Step 4: Simplify right side
    28,746.75x = 432,355,374.95
  5. Step 5: Solve for x
    x = 432,355,374.95/28,746.75
  6. Step 6: Final answer
    x = 15,040.15

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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.