Home / 26,387.61-36,416.84-15,057.35

Finding the Fourth Proportional to 26,387.61, 36,416.84 and 15,057.35

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Solution

The fourth proportional to 26,387.61, 36,416.84 and 15,057.35 is: 20,780.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,387.61 : 36,416.84 = 15,057.35 : x
  2. Step 2: Convert to fraction form
    26,387.61/36,416.84 = 15,057.35/x
  3. Step 3: Cross multiply
    26,387.61x = 36,416.84 × 15,057.35
  4. Step 4: Simplify right side
    26,387.61x = 548,340,848.40
  5. Step 5: Solve for x
    x = 548,340,848.40/26,387.61
  6. Step 6: Final answer
    x = 20,780.24

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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.