Home / 26,315.28-36,301.56-17,817.72

Finding the Fourth Proportional to 26,315.28, 36,301.56 and 17,817.72

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Solution

The fourth proportional to 26,315.28, 36,301.56 and 17,817.72 is: 24,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,315.28 : 36,301.56 = 17,817.72 : x
  2. Step 2: Convert to fraction form
    26,315.28/36,301.56 = 17,817.72/x
  3. Step 3: Cross multiply
    26,315.28x = 36,301.56 × 17,817.72
  4. Step 4: Simplify right side
    26,315.28x = 646,811,031.64
  5. Step 5: Solve for x
    x = 646,811,031.64/26,315.28
  6. Step 6: Final answer
    x = 24,579.30

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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.