Home / 19,074.36-28,740.63-15,859.20

Finding the Fourth Proportional to 19,074.36, 28,740.63 and 15,859.20

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Solution

The fourth proportional to 19,074.36, 28,740.63 and 15,859.20 is: 23,896.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,074.36 : 28,740.63 = 15,859.20 : x
  2. Step 2: Convert to fraction form
    19,074.36/28,740.63 = 15,859.20/x
  3. Step 3: Cross multiply
    19,074.36x = 28,740.63 × 15,859.20
  4. Step 4: Simplify right side
    19,074.36x = 455,803,399.30
  5. Step 5: Solve for x
    x = 455,803,399.30/19,074.36
  6. Step 6: Final answer
    x = 23,896.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.