Home / 17,428.05-26,145.95-5,740.47

Finding the Fourth Proportional to 17,428.05, 26,145.95 and 5,740.47

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Solution

The fourth proportional to 17,428.05, 26,145.95 and 5,740.47 is: 8,611.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,428.05 : 26,145.95 = 5,740.47 : x
  2. Step 2: Convert to fraction form
    17,428.05/26,145.95 = 5,740.47/x
  3. Step 3: Cross multiply
    17,428.05x = 26,145.95 × 5,740.47
  4. Step 4: Simplify right side
    17,428.05x = 150,090,012.89
  5. Step 5: Solve for x
    x = 150,090,012.89/17,428.05
  6. Step 6: Final answer
    x = 8,611.98

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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.