Home / 28,924.20-43,271.10-26,159.40

Finding the Fourth Proportional to 28,924.20, 43,271.10 and 26,159.40

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Solution

The fourth proportional to 28,924.20, 43,271.10 and 26,159.40 is: 39,134.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,924.20 : 43,271.10 = 26,159.40 : x
  2. Step 2: Convert to fraction form
    28,924.20/43,271.10 = 26,159.40/x
  3. Step 3: Cross multiply
    28,924.20x = 43,271.10 × 26,159.40
  4. Step 4: Simplify right side
    28,924.20x = 1,131,946,013.34
  5. Step 5: Solve for x
    x = 1,131,946,013.34/28,924.20
  6. Step 6: Final answer
    x = 39,134.91

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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.