Home / 25,228.32-34,814.78-13,897.61

Finding the Fourth Proportional to 25,228.32, 34,814.78 and 13,897.61

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Solution

The fourth proportional to 25,228.32, 34,814.78 and 13,897.61 is: 19,178.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,228.32 : 34,814.78 = 13,897.61 : x
  2. Step 2: Convert to fraction form
    25,228.32/34,814.78 = 13,897.61/x
  3. Step 3: Cross multiply
    25,228.32x = 34,814.78 × 13,897.61
  4. Step 4: Simplify right side
    25,228.32x = 483,841,991.11
  5. Step 5: Solve for x
    x = 483,841,991.11/25,228.32
  6. Step 6: Final answer
    x = 19,178.53

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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.