Home / 28,026,731.35-42,019,920.64-17,221,708.09

Finding the Fourth Proportional to 28,026,731.35, 42,019,920.64 and 17,221,708.09

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Solution

The fourth proportional to 28,026,731.35, 42,019,920.64 and 17,221,708.09 is: 25,820,164.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026,731.35 : 42,019,920.64 = 17,221,708.09 : x
  2. Step 2: Convert to fraction form
    28,026,731.35/42,019,920.64 = 17,221,708.09/x
  3. Step 3: Cross multiply
    28,026,731.35x = 42,019,920.64 × 17,221,708.09
  4. Step 4: Simplify right side
    28,026,731.35x = 723,654,807,227,046
  5. Step 5: Solve for x
    x = 723,654,807,227,046/28,026,731.35
  6. Step 6: Final answer
    x = 25,820,164.26

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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.