Home / 25,270.72-34,876.06-18,886.20

Finding the Fourth Proportional to 25,270.72, 34,876.06 and 18,886.20

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Solution

The fourth proportional to 25,270.72, 34,876.06 and 18,886.20 is: 26,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,270.72 : 34,876.06 = 18,886.20 : x
  2. Step 2: Convert to fraction form
    25,270.72/34,876.06 = 18,886.20/x
  3. Step 3: Cross multiply
    25,270.72x = 34,876.06 × 18,886.20
  4. Step 4: Simplify right side
    25,270.72x = 658,676,244.37
  5. Step 5: Solve for x
    x = 658,676,244.37/25,270.72
  6. Step 6: Final answer
    x = 26,064.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.