Home / 23,030.64-31,785.12-12,962.88

Finding the Fourth Proportional to 23,030.64, 31,785.12 and 12,962.88

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Solution

The fourth proportional to 23,030.64, 31,785.12 and 12,962.88 is: 17,890.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,030.64 : 31,785.12 = 12,962.88 : x
  2. Step 2: Convert to fraction form
    23,030.64/31,785.12 = 12,962.88/x
  3. Step 3: Cross multiply
    23,030.64x = 31,785.12 × 12,962.88
  4. Step 4: Simplify right side
    23,030.64x = 412,026,696.35
  5. Step 5: Solve for x
    x = 412,026,696.35/23,030.64
  6. Step 6: Final answer
    x = 17,890.37

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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.