Home / 23,490.69-32,416.97-12,880.32

Finding the Fourth Proportional to 23,490.69, 32,416.97 and 12,880.32

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Solution

The fourth proportional to 23,490.69, 32,416.97 and 12,880.32 is: 17,774.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,490.69 : 32,416.97 = 12,880.32 : x
  2. Step 2: Convert to fraction form
    23,490.69/32,416.97 = 12,880.32/x
  3. Step 3: Cross multiply
    23,490.69x = 32,416.97 × 12,880.32
  4. Step 4: Simplify right side
    23,490.69x = 417,540,882.63
  5. Step 5: Solve for x
    x = 417,540,882.63/23,490.69
  6. Step 6: Final answer
    x = 17,774.74

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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.