Home / 21,020.03-31,491.59-16,526.77

Finding the Fourth Proportional to 21,020.03, 31,491.59 and 16,526.77

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Solution

The fourth proportional to 21,020.03, 31,491.59 and 16,526.77 is: 24,759.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,020.03 : 31,491.59 = 16,526.77 : x
  2. Step 2: Convert to fraction form
    21,020.03/31,491.59 = 16,526.77/x
  3. Step 3: Cross multiply
    21,020.03x = 31,491.59 × 16,526.77
  4. Step 4: Simplify right side
    21,020.03x = 520,454,264.86
  5. Step 5: Solve for x
    x = 520,454,264.86/21,020.03
  6. Step 6: Final answer
    x = 24,759.92

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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.