Home / 28,620.14-42,925.28-7,560.41

Finding the Fourth Proportional to 28,620.14, 42,925.28 and 7,560.41

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Solution

The fourth proportional to 28,620.14, 42,925.28 and 7,560.41 is: 11,339.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,620.14 : 42,925.28 = 7,560.41 : x
  2. Step 2: Convert to fraction form
    28,620.14/42,925.28 = 7,560.41/x
  3. Step 3: Cross multiply
    28,620.14x = 42,925.28 × 7,560.41
  4. Step 4: Simplify right side
    28,620.14x = 324,532,463.74
  5. Step 5: Solve for x
    x = 324,532,463.74/28,620.14
  6. Step 6: Final answer
    x = 11,339.31

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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.