Home / 25,172.00-34,733.54-14,415.20

Finding the Fourth Proportional to 25,172.00, 34,733.54 and 14,415.20

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Solution

The fourth proportional to 25,172.00, 34,733.54 and 14,415.20 is: 19,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,172.00 : 34,733.54 = 14,415.20 : x
  2. Step 2: Convert to fraction form
    25,172.00/34,733.54 = 14,415.20/x
  3. Step 3: Cross multiply
    25,172.00x = 34,733.54 × 14,415.20
  4. Step 4: Simplify right side
    25,172.00x = 500,690,680.06
  5. Step 5: Solve for x
    x = 500,690,680.06/25,172.00
  6. Step 6: Final answer
    x = 19,890.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.