Home / 25,966.08-38,954.88-8,437.68

Finding the Fourth Proportional to 25,966.08, 38,954.88 and 8,437.68

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Solution

The fourth proportional to 25,966.08, 38,954.88 and 8,437.68 is: 12,658.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,966.08 : 38,954.88 = 8,437.68 : x
  2. Step 2: Convert to fraction form
    25,966.08/38,954.88 = 8,437.68/x
  3. Step 3: Cross multiply
    25,966.08x = 38,954.88 × 8,437.68
  4. Step 4: Simplify right side
    25,966.08x = 328,688,811.88
  5. Step 5: Solve for x
    x = 328,688,811.88/25,966.08
  6. Step 6: Final answer
    x = 12,658.39

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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.