Home / 28,250.30-42,382.58-13,045.54

Finding the Fourth Proportional to 28,250.30, 42,382.58 and 13,045.54

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Solution

The fourth proportional to 28,250.30, 42,382.58 and 13,045.54 is: 19,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250.30 : 42,382.58 = 13,045.54 : x
  2. Step 2: Convert to fraction form
    28,250.30/42,382.58 = 13,045.54/x
  3. Step 3: Cross multiply
    28,250.30x = 42,382.58 × 13,045.54
  4. Step 4: Simplify right side
    28,250.30x = 552,903,642.69
  5. Step 5: Solve for x
    x = 552,903,642.69/28,250.30
  6. Step 6: Final answer
    x = 19,571.60

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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.