Home / 17,389.37-24,060.60-15,155.90

Finding the Fourth Proportional to 17,389.37, 24,060.60 and 15,155.90

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Solution

The fourth proportional to 17,389.37, 24,060.60 and 15,155.90 is: 20,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,389.37 : 24,060.60 = 15,155.90 : x
  2. Step 2: Convert to fraction form
    17,389.37/24,060.60 = 15,155.90/x
  3. Step 3: Cross multiply
    17,389.37x = 24,060.60 × 15,155.90
  4. Step 4: Simplify right side
    17,389.37x = 364,659,927.24
  5. Step 5: Solve for x
    x = 364,659,927.24/17,389.37
  6. Step 6: Final answer
    x = 20,970.28

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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.