Home / 28,748.82-43,108.60-13,153.08

Finding the Fourth Proportional to 28,748.82, 43,108.60 and 13,153.08

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Solution

The fourth proportional to 28,748.82, 43,108.60 and 13,153.08 is: 19,722.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748.82 : 43,108.60 = 13,153.08 : x
  2. Step 2: Convert to fraction form
    28,748.82/43,108.60 = 13,153.08/x
  3. Step 3: Cross multiply
    28,748.82x = 43,108.60 × 13,153.08
  4. Step 4: Simplify right side
    28,748.82x = 567,010,864.49
  5. Step 5: Solve for x
    x = 567,010,864.49/28,748.82
  6. Step 6: Final answer
    x = 19,722.93

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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.