Home / 25,008.81-34,511.67-13,678.27

Finding the Fourth Proportional to 25,008.81, 34,511.67 and 13,678.27

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Solution

The fourth proportional to 25,008.81, 34,511.67 and 13,678.27 is: 18,875.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,008.81 : 34,511.67 = 13,678.27 : x
  2. Step 2: Convert to fraction form
    25,008.81/34,511.67 = 13,678.27/x
  3. Step 3: Cross multiply
    25,008.81x = 34,511.67 × 13,678.27
  4. Step 4: Simplify right side
    25,008.81x = 472,059,940.41
  5. Step 5: Solve for x
    x = 472,059,940.41/25,008.81
  6. Step 6: Final answer
    x = 18,875.75

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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.