Home / 19,322.15-26,604.86-15,090.30

Finding the Fourth Proportional to 19,322.15, 26,604.86 and 15,090.30

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Solution

The fourth proportional to 19,322.15, 26,604.86 and 15,090.30 is: 20,777.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322.15 : 26,604.86 = 15,090.30 : x
  2. Step 2: Convert to fraction form
    19,322.15/26,604.86 = 15,090.30/x
  3. Step 3: Cross multiply
    19,322.15x = 26,604.86 × 15,090.30
  4. Step 4: Simplify right side
    19,322.15x = 401,475,243.41
  5. Step 5: Solve for x
    x = 401,475,243.41/19,322.15
  6. Step 6: Final answer
    x = 20,777.99

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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.