Home / 28,750.68-43,111.43-13,154.94

Finding the Fourth Proportional to 28,750.68, 43,111.43 and 13,154.94

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Solution

The fourth proportional to 28,750.68, 43,111.43 and 13,154.94 is: 19,725.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750.68 : 43,111.43 = 13,154.94 : x
  2. Step 2: Convert to fraction form
    28,750.68/43,111.43 = 13,154.94/x
  3. Step 3: Cross multiply
    28,750.68x = 43,111.43 × 13,154.94
  4. Step 4: Simplify right side
    28,750.68x = 567,128,274.96
  5. Step 5: Solve for x
    x = 567,128,274.96/28,750.68
  6. Step 6: Final answer
    x = 19,725.73

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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.