Home / 28,013.40-38,665.08-17,411.04

Finding the Fourth Proportional to 28,013.40, 38,665.08 and 17,411.04

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Solution

The fourth proportional to 28,013.40, 38,665.08 and 17,411.04 is: 24,031.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,013.40 : 38,665.08 = 17,411.04 : x
  2. Step 2: Convert to fraction form
    28,013.40/38,665.08 = 17,411.04/x
  3. Step 3: Cross multiply
    28,013.40x = 38,665.08 × 17,411.04
  4. Step 4: Simplify right side
    28,013.40x = 673,199,254.48
  5. Step 5: Solve for x
    x = 673,199,254.48/28,013.40
  6. Step 6: Final answer
    x = 24,031.33

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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.