Home / 28,448.33-42,669.14-17,887.16

Finding the Fourth Proportional to 28,448.33, 42,669.14 and 17,887.16

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Solution

The fourth proportional to 28,448.33, 42,669.14 and 17,887.16 is: 26,828.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,448.33 : 42,669.14 = 17,887.16 : x
  2. Step 2: Convert to fraction form
    28,448.33/42,669.14 = 17,887.16/x
  3. Step 3: Cross multiply
    28,448.33x = 42,669.14 × 17,887.16
  4. Step 4: Simplify right side
    28,448.33x = 763,229,751.48
  5. Step 5: Solve for x
    x = 763,229,751.48/28,448.33
  6. Step 6: Final answer
    x = 26,828.64

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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.