Home / 25,750.78-35,533.14-14,418.70

Finding the Fourth Proportional to 25,750.78, 35,533.14 and 14,418.70

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Solution

The fourth proportional to 25,750.78, 35,533.14 and 14,418.70 is: 19,896.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,750.78 : 35,533.14 = 14,418.70 : x
  2. Step 2: Convert to fraction form
    25,750.78/35,533.14 = 14,418.70/x
  3. Step 3: Cross multiply
    25,750.78x = 35,533.14 × 14,418.70
  4. Step 4: Simplify right side
    25,750.78x = 512,341,542.82
  5. Step 5: Solve for x
    x = 512,341,542.82/25,750.78
  6. Step 6: Final answer
    x = 19,896.16

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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.