Home / 43,897.13-65,865.69-18,603.57

Finding the Fourth Proportional to 43,897.13, 65,865.69 and 18,603.57

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Solution

The fourth proportional to 43,897.13, 65,865.69 and 18,603.57 is: 27,913.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,897.13 : 65,865.69 = 18,603.57 : x
  2. Step 2: Convert to fraction form
    43,897.13/65,865.69 = 18,603.57/x
  3. Step 3: Cross multiply
    43,897.13x = 65,865.69 × 18,603.57
  4. Step 4: Simplify right side
    43,897.13x = 1,225,336,727.52
  5. Step 5: Solve for x
    x = 1,225,336,727.52/43,897.13
  6. Step 6: Final answer
    x = 27,913.82

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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.