Home / 28,507.24-42,777.06-15,359.32

Finding the Fourth Proportional to 28,507.24, 42,777.06 and 15,359.32

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Solution

The fourth proportional to 28,507.24, 42,777.06 and 15,359.32 is: 23,047.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,507.24 : 42,777.06 = 15,359.32 : x
  2. Step 2: Convert to fraction form
    28,507.24/42,777.06 = 15,359.32/x
  3. Step 3: Cross multiply
    28,507.24x = 42,777.06 × 15,359.32
  4. Step 4: Simplify right side
    28,507.24x = 657,026,553.20
  5. Step 5: Solve for x
    x = 657,026,553.20/28,507.24
  6. Step 6: Final answer
    x = 23,047.71

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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.