Home / 21,020.54-31,492.34-16,527.27

Finding the Fourth Proportional to 21,020.54, 31,492.34 and 16,527.27

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Solution

The fourth proportional to 21,020.54, 31,492.34 and 16,527.27 is: 24,760.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,020.54 : 31,492.34 = 16,527.27 : x
  2. Step 2: Convert to fraction form
    21,020.54/31,492.34 = 16,527.27/x
  3. Step 3: Cross multiply
    21,020.54x = 31,492.34 × 16,527.27
  4. Step 4: Simplify right side
    21,020.54x = 520,482,323.48
  5. Step 5: Solve for x
    x = 520,482,323.48/21,020.54
  6. Step 6: Final answer
    x = 24,760.66

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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.