Home / 28,346.99-42,536.95-15,698.03

Finding the Fourth Proportional to 28,346.99, 42,536.95 and 15,698.03

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Solution

The fourth proportional to 28,346.99, 42,536.95 and 15,698.03 is: 23,556.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346.99 : 42,536.95 = 15,698.03 : x
  2. Step 2: Convert to fraction form
    28,346.99/42,536.95 = 15,698.03/x
  3. Step 3: Cross multiply
    28,346.99x = 42,536.95 × 15,698.03
  4. Step 4: Simplify right side
    28,346.99x = 667,746,065.28
  5. Step 5: Solve for x
    x = 667,746,065.28/28,346.99
  6. Step 6: Final answer
    x = 23,556.16

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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.