Home / 28,009.44-38,653.20-17,399.52

Finding the Fourth Proportional to 28,009.44, 38,653.20 and 17,399.52

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Solution

The fourth proportional to 28,009.44, 38,653.20 and 17,399.52 is: 24,011.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,009.44 : 38,653.20 = 17,399.52 : x
  2. Step 2: Convert to fraction form
    28,009.44/38,653.20 = 17,399.52/x
  3. Step 3: Cross multiply
    28,009.44x = 38,653.20 × 17,399.52
  4. Step 4: Simplify right side
    28,009.44x = 672,547,126.46
  5. Step 5: Solve for x
    x = 672,547,126.46/28,009.44
  6. Step 6: Final answer
    x = 24,011.44

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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.