Home / 28,367.57-42,551.28-7,591.07

Finding the Fourth Proportional to 28,367.57, 42,551.28 and 7,591.07

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Solution

The fourth proportional to 28,367.57, 42,551.28 and 7,591.07 is: 11,386.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,367.57 : 42,551.28 = 7,591.07 : x
  2. Step 2: Convert to fraction form
    28,367.57/42,551.28 = 7,591.07/x
  3. Step 3: Cross multiply
    28,367.57x = 42,551.28 × 7,591.07
  4. Step 4: Simplify right side
    28,367.57x = 323,009,532.31
  5. Step 5: Solve for x
    x = 323,009,532.31/28,367.57
  6. Step 6: Final answer
    x = 11,386.58

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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.