Home / 25,442.68-35,103.72-16,490.56

Finding the Fourth Proportional to 25,442.68, 35,103.72 and 16,490.56

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Solution

The fourth proportional to 25,442.68, 35,103.72 and 16,490.56 is: 22,752.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,442.68 : 35,103.72 = 16,490.56 : x
  2. Step 2: Convert to fraction form
    25,442.68/35,103.72 = 16,490.56/x
  3. Step 3: Cross multiply
    25,442.68x = 35,103.72 × 16,490.56
  4. Step 4: Simplify right side
    25,442.68x = 578,880,000.88
  5. Step 5: Solve for x
    x = 578,880,000.88/25,442.68
  6. Step 6: Final answer
    x = 22,752.32

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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.