Home / 28,476.95-42,724.08-13,495.54

Finding the Fourth Proportional to 28,476.95, 42,724.08 and 13,495.54

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Solution

The fourth proportional to 28,476.95, 42,724.08 and 13,495.54 is: 20,247.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,476.95 : 42,724.08 = 13,495.54 : x
  2. Step 2: Convert to fraction form
    28,476.95/42,724.08 = 13,495.54/x
  3. Step 3: Cross multiply
    28,476.95x = 42,724.08 × 13,495.54
  4. Step 4: Simplify right side
    28,476.95x = 576,584,530.60
  5. Step 5: Solve for x
    x = 576,584,530.60/28,476.95
  6. Step 6: Final answer
    x = 20,247.42

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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.