Home / 28,058.02-42,054.70-11,399.75

Finding the Fourth Proportional to 28,058.02, 42,054.70 and 11,399.75

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Solution

The fourth proportional to 28,058.02, 42,054.70 and 11,399.75 is: 17,086.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,058.02 : 42,054.70 = 11,399.75 : x
  2. Step 2: Convert to fraction form
    28,058.02/42,054.70 = 11,399.75/x
  3. Step 3: Cross multiply
    28,058.02x = 42,054.70 × 11,399.75
  4. Step 4: Simplify right side
    28,058.02x = 479,413,066.33
  5. Step 5: Solve for x
    x = 479,413,066.33/28,058.02
  6. Step 6: Final answer
    x = 17,086.49

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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.