Home / 43,638.51-65,462.88-15,562.55

Finding the Fourth Proportional to 43,638.51, 65,462.88 and 15,562.55

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Solution

The fourth proportional to 43,638.51, 65,462.88 and 15,562.55 is: 23,345.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,638.51 : 65,462.88 = 15,562.55 : x
  2. Step 2: Convert to fraction form
    43,638.51/65,462.88 = 15,562.55/x
  3. Step 3: Cross multiply
    43,638.51x = 65,462.88 × 15,562.55
  4. Step 4: Simplify right side
    43,638.51x = 1,018,769,565.16
  5. Step 5: Solve for x
    x = 1,018,769,565.16/43,638.51
  6. Step 6: Final answer
    x = 23,345.66

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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.