Home / 22,698.64-31,325.30-12,627.28

Finding the Fourth Proportional to 22,698.64, 31,325.30 and 12,627.28

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Solution

The fourth proportional to 22,698.64, 31,325.30 and 12,627.28 is: 17,426.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,698.64 : 31,325.30 = 12,627.28 : x
  2. Step 2: Convert to fraction form
    22,698.64/31,325.30 = 12,627.28/x
  3. Step 3: Cross multiply
    22,698.64x = 31,325.30 × 12,627.28
  4. Step 4: Simplify right side
    22,698.64x = 395,553,334.18
  5. Step 5: Solve for x
    x = 395,553,334.18/22,698.64
  6. Step 6: Final answer
    x = 17,426.30

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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.