Home / 25,654.10-35,402.80-15,043.90

Finding the Fourth Proportional to 25,654.10, 35,402.80 and 15,043.90

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Solution

The fourth proportional to 25,654.10, 35,402.80 and 15,043.90 is: 20,760.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,654.10 : 35,402.80 = 15,043.90 : x
  2. Step 2: Convert to fraction form
    25,654.10/35,402.80 = 15,043.90/x
  3. Step 3: Cross multiply
    25,654.10x = 35,402.80 × 15,043.90
  4. Step 4: Simplify right side
    25,654.10x = 532,596,182.92
  5. Step 5: Solve for x
    x = 532,596,182.92/25,654.10
  6. Step 6: Final answer
    x = 20,760.67

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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.