Home / 28,208.00-42,316.47-11,340.96

Finding the Fourth Proportional to 28,208.00, 42,316.47 and 11,340.96

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Solution

The fourth proportional to 28,208.00, 42,316.47 and 11,340.96 is: 17,013.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,208.00 : 42,316.47 = 11,340.96 : x
  2. Step 2: Convert to fraction form
    28,208.00/42,316.47 = 11,340.96/x
  3. Step 3: Cross multiply
    28,208.00x = 42,316.47 × 11,340.96
  4. Step 4: Simplify right side
    28,208.00x = 479,909,393.61
  5. Step 5: Solve for x
    x = 479,909,393.61/28,208.00
  6. Step 6: Final answer
    x = 17,013.24

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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.