Home / 25,647.52-35,393.64-14,316.76

Finding the Fourth Proportional to 25,647.52, 35,393.64 and 14,316.76

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Solution

The fourth proportional to 25,647.52, 35,393.64 and 14,316.76 is: 19,757.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,647.52 : 35,393.64 = 14,316.76 : x
  2. Step 2: Convert to fraction form
    25,647.52/35,393.64 = 14,316.76/x
  3. Step 3: Cross multiply
    25,647.52x = 35,393.64 × 14,316.76
  4. Step 4: Simplify right side
    25,647.52x = 506,722,249.41
  5. Step 5: Solve for x
    x = 506,722,249.41/25,647.52
  6. Step 6: Final answer
    x = 19,757.16

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Half scale
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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.