Home / 25,077.56-34,607.30-13,746.80

Finding the Fourth Proportional to 25,077.56, 34,607.30 and 13,746.80

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Solution

The fourth proportional to 25,077.56, 34,607.30 and 13,746.80 is: 18,970.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,077.56 : 34,607.30 = 13,746.80 : x
  2. Step 2: Convert to fraction form
    25,077.56/34,607.30 = 13,746.80/x
  3. Step 3: Cross multiply
    25,077.56x = 34,607.30 × 13,746.80
  4. Step 4: Simplify right side
    25,077.56x = 475,739,649.42
  5. Step 5: Solve for x
    x = 475,739,649.42/25,077.56
  6. Step 6: Final answer
    x = 18,970.73

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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.