Home / 28,224.72-42,158.30-26,605.31

Finding the Fourth Proportional to 28,224.72, 42,158.30 and 26,605.31

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Solution

The fourth proportional to 28,224.72, 42,158.30 and 26,605.31 is: 39,739.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,224.72 : 42,158.30 = 26,605.31 : x
  2. Step 2: Convert to fraction form
    28,224.72/42,158.30 = 26,605.31/x
  3. Step 3: Cross multiply
    28,224.72x = 42,158.30 × 26,605.31
  4. Step 4: Simplify right side
    28,224.72x = 1,121,634,296.75
  5. Step 5: Solve for x
    x = 1,121,634,296.75/28,224.72
  6. Step 6: Final answer
    x = 39,739.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.