Home / 28,332.24-42,497.28-7,555.56

Finding the Fourth Proportional to 28,332.24, 42,497.28 and 7,555.56

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Solution

The fourth proportional to 28,332.24, 42,497.28 and 7,555.56 is: 11,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,332.24 : 42,497.28 = 7,555.56 : x
  2. Step 2: Convert to fraction form
    28,332.24/42,497.28 = 7,555.56/x
  3. Step 3: Cross multiply
    28,332.24x = 42,497.28 × 7,555.56
  4. Step 4: Simplify right side
    28,332.24x = 321,090,748.88
  5. Step 5: Solve for x
    x = 321,090,748.88/28,332.24
  6. Step 6: Final answer
    x = 11,333.05

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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.