Home / 25,561.56-38,378.52-14,490

Finding the Fourth Proportional to 25,561.56, 38,378.52 and 14,490

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Solution

The fourth proportional to 25,561.56, 38,378.52 and 14,490 is: 21,755.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,561.56 : 38,378.52 = 14,490 : x
  2. Step 2: Convert to fraction form
    25,561.56/38,378.52 = 14,490/x
  3. Step 3: Cross multiply
    25,561.56x = 38,378.52 × 14,490
  4. Step 4: Simplify right side
    25,561.56x = 556,104,754.80
  5. Step 5: Solve for x
    x = 556,104,754.80/25,561.56
  6. Step 6: Final answer
    x = 21,755.51

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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.