Home / 27,156.33-40,740.84-8,435.40

Finding the Fourth Proportional to 27,156.33, 40,740.84 and 8,435.40

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Solution

The fourth proportional to 27,156.33, 40,740.84 and 8,435.40 is: 12,655.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,156.33 : 40,740.84 = 8,435.40 : x
  2. Step 2: Convert to fraction form
    27,156.33/40,740.84 = 8,435.40/x
  3. Step 3: Cross multiply
    27,156.33x = 40,740.84 × 8,435.40
  4. Step 4: Simplify right side
    27,156.33x = 343,665,281.74
  5. Step 5: Solve for x
    x = 343,665,281.74/27,156.33
  6. Step 6: Final answer
    x = 12,655.07

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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.