Home / 19,290.74-28,895.85-15,522.21

Finding the Fourth Proportional to 19,290.74, 28,895.85 and 15,522.21

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Solution

The fourth proportional to 19,290.74, 28,895.85 and 15,522.21 is: 23,250.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.74 : 28,895.85 = 15,522.21 : x
  2. Step 2: Convert to fraction form
    19,290.74/28,895.85 = 15,522.21/x
  3. Step 3: Cross multiply
    19,290.74x = 28,895.85 × 15,522.21
  4. Step 4: Simplify right side
    19,290.74x = 448,527,451.83
  5. Step 5: Solve for x
    x = 448,527,451.83/19,290.74
  6. Step 6: Final answer
    x = 23,250.93

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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.