Home / 19,039.34-28,509.32-15,321.26

Finding the Fourth Proportional to 19,039.34, 28,509.32 and 15,321.26

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Solution

The fourth proportional to 19,039.34, 28,509.32 and 15,321.26 is: 22,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.34 : 28,509.32 = 15,321.26 : x
  2. Step 2: Convert to fraction form
    19,039.34/28,509.32 = 15,321.26/x
  3. Step 3: Cross multiply
    19,039.34x = 28,509.32 × 15,321.26
  4. Step 4: Simplify right side
    19,039.34x = 436,798,599.90
  5. Step 5: Solve for x
    x = 436,798,599.90/19,039.34
  6. Step 6: Final answer
    x = 22,941.90

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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.