Home / 19,020.45-28,522.44-14,640.99

Finding the Fourth Proportional to 19,020.45, 28,522.44 and 14,640.99

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Solution

The fourth proportional to 19,020.45, 28,522.44 and 14,640.99 is: 21,955.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.45 : 28,522.44 = 14,640.99 : x
  2. Step 2: Convert to fraction form
    19,020.45/28,522.44 = 14,640.99/x
  3. Step 3: Cross multiply
    19,020.45x = 28,522.44 × 14,640.99
  4. Step 4: Simplify right side
    19,020.45x = 417,596,758.82
  5. Step 5: Solve for x
    x = 417,596,758.82/19,020.45
  6. Step 6: Final answer
    x = 21,955.15

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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.