Home / 43,357.40-65,041.32-15,271.66

Finding the Fourth Proportional to 43,357.40, 65,041.32 and 15,271.66

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Solution

The fourth proportional to 43,357.40, 65,041.32 and 15,271.66 is: 22,909.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,357.40 : 65,041.32 = 15,271.66 : x
  2. Step 2: Convert to fraction form
    43,357.40/65,041.32 = 15,271.66/x
  3. Step 3: Cross multiply
    43,357.40x = 65,041.32 × 15,271.66
  4. Step 4: Simplify right side
    43,357.40x = 993,288,924.99
  5. Step 5: Solve for x
    x = 993,288,924.99/43,357.40
  6. Step 6: Final answer
    x = 22,909.33

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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.