Home / 24,880.80-34,342.56-16,389.12

Finding the Fourth Proportional to 24,880.80, 34,342.56 and 16,389.12

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Solution

The fourth proportional to 24,880.80, 34,342.56 and 16,389.12 is: 22,621.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,880.80 : 34,342.56 = 16,389.12 : x
  2. Step 2: Convert to fraction form
    24,880.80/34,342.56 = 16,389.12/x
  3. Step 3: Cross multiply
    24,880.80x = 34,342.56 × 16,389.12
  4. Step 4: Simplify right side
    24,880.80x = 562,844,336.95
  5. Step 5: Solve for x
    x = 562,844,336.95/24,880.80
  6. Step 6: Final answer
    x = 22,621.63

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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.