Home / 21,795.21-32,643.41-21,303.14

Finding the Fourth Proportional to 21,795.21, 32,643.41 and 21,303.14

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Solution

The fourth proportional to 21,795.21, 32,643.41 and 21,303.14 is: 31,906.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,795.21 : 32,643.41 = 21,303.14 : x
  2. Step 2: Convert to fraction form
    21,795.21/32,643.41 = 21,303.14/x
  3. Step 3: Cross multiply
    21,795.21x = 32,643.41 × 21,303.14
  4. Step 4: Simplify right side
    21,795.21x = 695,406,863.57
  5. Step 5: Solve for x
    x = 695,406,863.57/21,795.21
  6. Step 6: Final answer
    x = 31,906.41

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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.