Home / 25,238.80-34,828.29-14,631.88

Finding the Fourth Proportional to 25,238.80, 34,828.29 and 14,631.88

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Solution

The fourth proportional to 25,238.80, 34,828.29 and 14,631.88 is: 20,191.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,238.80 : 34,828.29 = 14,631.88 : x
  2. Step 2: Convert to fraction form
    25,238.80/34,828.29 = 14,631.88/x
  3. Step 3: Cross multiply
    25,238.80x = 34,828.29 × 14,631.88
  4. Step 4: Simplify right side
    25,238.80x = 509,603,327.68
  5. Step 5: Solve for x
    x = 509,603,327.68/25,238.80
  6. Step 6: Final answer
    x = 20,191.27

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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.