Home / 28,731.22-43,095.04-13,748.98

Finding the Fourth Proportional to 28,731.22, 43,095.04 and 13,748.98

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Solution

The fourth proportional to 28,731.22, 43,095.04 and 13,748.98 is: 20,622.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,731.22 : 43,095.04 = 13,748.98 : x
  2. Step 2: Convert to fraction form
    28,731.22/43,095.04 = 13,748.98/x
  3. Step 3: Cross multiply
    28,731.22x = 43,095.04 × 13,748.98
  4. Step 4: Simplify right side
    28,731.22x = 592,512,721.15
  5. Step 5: Solve for x
    x = 592,512,721.15/28,731.22
  6. Step 6: Final answer
    x = 20,622.61

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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.