Home / 21,840.77-32,711.93-15,296.18

Finding the Fourth Proportional to 21,840.77, 32,711.93 and 15,296.18

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Solution

The fourth proportional to 21,840.77, 32,711.93 and 15,296.18 is: 22,909.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,840.77 : 32,711.93 = 15,296.18 : x
  2. Step 2: Convert to fraction form
    21,840.77/32,711.93 = 15,296.18/x
  3. Step 3: Cross multiply
    21,840.77x = 32,711.93 × 15,296.18
  4. Step 4: Simplify right side
    21,840.77x = 500,367,405.87
  5. Step 5: Solve for x
    x = 500,367,405.87/21,840.77
  6. Step 6: Final answer
    x = 22,909.79

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1.5x scale

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.