Home / 28,164.00-42,252.67-9,188.54

Finding the Fourth Proportional to 28,164.00, 42,252.67 and 9,188.54

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Solution

The fourth proportional to 28,164.00, 42,252.67 and 9,188.54 is: 13,784.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,164.00 : 42,252.67 = 9,188.54 : x
  2. Step 2: Convert to fraction form
    28,164.00/42,252.67 = 9,188.54/x
  3. Step 3: Cross multiply
    28,164.00x = 42,252.67 × 9,188.54
  4. Step 4: Simplify right side
    28,164.00x = 388,240,307.07
  5. Step 5: Solve for x
    x = 388,240,307.07/28,164.00
  6. Step 6: Final answer
    x = 13,784.98

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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.