Home / 25,571.78-35,280.60-14,953.90

Finding the Fourth Proportional to 25,571.78, 35,280.60 and 14,953.90

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Solution

The fourth proportional to 25,571.78, 35,280.60 and 14,953.90 is: 20,631.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,571.78 : 35,280.60 = 14,953.90 : x
  2. Step 2: Convert to fraction form
    25,571.78/35,280.60 = 14,953.90/x
  3. Step 3: Cross multiply
    25,571.78x = 35,280.60 × 14,953.90
  4. Step 4: Simplify right side
    25,571.78x = 527,582,564.34
  5. Step 5: Solve for x
    x = 527,582,564.34/25,571.78
  6. Step 6: Final answer
    x = 20,631.44

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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.