Home / 20,706.24-31,074.40-15,526.08

Finding the Fourth Proportional to 20,706.24, 31,074.40 and 15,526.08

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Solution

The fourth proportional to 20,706.24, 31,074.40 and 15,526.08 is: 23,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,706.24 : 31,074.40 = 15,526.08 : x
  2. Step 2: Convert to fraction form
    20,706.24/31,074.40 = 15,526.08/x
  3. Step 3: Cross multiply
    20,706.24x = 31,074.40 × 15,526.08
  4. Step 4: Simplify right side
    20,706.24x = 482,463,620.35
  5. Step 5: Solve for x
    x = 482,463,620.35/20,706.24
  6. Step 6: Final answer
    x = 23,300.40

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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.