Home / 17,785.32-26,678.97-7,925.28

Finding the Fourth Proportional to 17,785.32, 26,678.97 and 7,925.28

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Solution

The fourth proportional to 17,785.32, 26,678.97 and 7,925.28 is: 11,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,785.32 : 26,678.97 = 7,925.28 : x
  2. Step 2: Convert to fraction form
    17,785.32/26,678.97 = 7,925.28/x
  3. Step 3: Cross multiply
    17,785.32x = 26,678.97 × 7,925.28
  4. Step 4: Simplify right side
    17,785.32x = 211,438,307.36
  5. Step 5: Solve for x
    x = 211,438,307.36/17,785.32
  6. Step 6: Final answer
    x = 11,888.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.