Home / 21,948.99-32,859.21-13,603.83

Finding the Fourth Proportional to 21,948.99, 32,859.21 and 13,603.83

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Solution

The fourth proportional to 21,948.99, 32,859.21 and 13,603.83 is: 20,365.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948.99 : 32,859.21 = 13,603.83 : x
  2. Step 2: Convert to fraction form
    21,948.99/32,859.21 = 13,603.83/x
  3. Step 3: Cross multiply
    21,948.99x = 32,859.21 × 13,603.83
  4. Step 4: Simplify right side
    21,948.99x = 447,011,106.77
  5. Step 5: Solve for x
    x = 447,011,106.77/21,948.99
  6. Step 6: Final answer
    x = 20,365.91

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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.