Home / 25,511.34-38,265.96-8,875.14

Finding the Fourth Proportional to 25,511.34, 38,265.96 and 8,875.14

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Solution

The fourth proportional to 25,511.34, 38,265.96 and 8,875.14 is: 13,312.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,511.34 : 38,265.96 = 8,875.14 : x
  2. Step 2: Convert to fraction form
    25,511.34/38,265.96 = 8,875.14/x
  3. Step 3: Cross multiply
    25,511.34x = 38,265.96 × 8,875.14
  4. Step 4: Simplify right side
    25,511.34x = 339,615,752.23
  5. Step 5: Solve for x
    x = 339,615,752.23/25,511.34
  6. Step 6: Final answer
    x = 13,312.34

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1.5x scale

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.