Home / 52,543.22-72,509.87-28,670.39

Finding the Fourth Proportional to 52,543.22, 72,509.87 and 28,670.39

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Solution

The fourth proportional to 52,543.22, 72,509.87 and 28,670.39 is: 39,565.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,543.22 : 72,509.87 = 28,670.39 : x
  2. Step 2: Convert to fraction form
    52,543.22/72,509.87 = 28,670.39/x
  3. Step 3: Cross multiply
    52,543.22x = 72,509.87 × 28,670.39
  4. Step 4: Simplify right side
    52,543.22x = 2,078,885,745.85
  5. Step 5: Solve for x
    x = 2,078,885,745.85/52,543.22
  6. Step 6: Final answer
    x = 39,565.26

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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.