Home / 25,877.67-35,715.06-15,811.94

Finding the Fourth Proportional to 25,877.67, 35,715.06 and 15,811.94

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Solution

The fourth proportional to 25,877.67, 35,715.06 and 15,811.94 is: 21,822.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,877.67 : 35,715.06 = 15,811.94 : x
  2. Step 2: Convert to fraction form
    25,877.67/35,715.06 = 15,811.94/x
  3. Step 3: Cross multiply
    25,877.67x = 35,715.06 × 15,811.94
  4. Step 4: Simplify right side
    25,877.67x = 564,724,207.24
  5. Step 5: Solve for x
    x = 564,724,207.24/25,877.67
  6. Step 6: Final answer
    x = 21,822.84

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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.