Home / 40,320.98-55,667.86-25,985.88

Finding the Fourth Proportional to 40,320.98, 55,667.86 and 25,985.88

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Solution

The fourth proportional to 40,320.98, 55,667.86 and 25,985.88 is: 35,876.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320.98 : 55,667.86 = 25,985.88 : x
  2. Step 2: Convert to fraction form
    40,320.98/55,667.86 = 25,985.88/x
  3. Step 3: Cross multiply
    40,320.98x = 55,667.86 × 25,985.88
  4. Step 4: Simplify right side
    40,320.98x = 1,446,578,329.82
  5. Step 5: Solve for x
    x = 1,446,578,329.82/40,320.98
  6. Step 6: Final answer
    x = 35,876.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.