Home / 28,335.24-42,501.78-7,558.56

Finding the Fourth Proportional to 28,335.24, 42,501.78 and 7,558.56

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Solution

The fourth proportional to 28,335.24, 42,501.78 and 7,558.56 is: 11,337.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,335.24 : 42,501.78 = 7,558.56 : x
  2. Step 2: Convert to fraction form
    28,335.24/42,501.78 = 7,558.56/x
  3. Step 3: Cross multiply
    28,335.24x = 42,501.78 × 7,558.56
  4. Step 4: Simplify right side
    28,335.24x = 321,252,254.24
  5. Step 5: Solve for x
    x = 321,252,254.24/28,335.24
  6. Step 6: Final answer
    x = 11,337.55

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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.