Home / 28,165.28-38,853.05-17,416.17

Finding the Fourth Proportional to 28,165.28, 38,853.05 and 17,416.17

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Solution

The fourth proportional to 28,165.28, 38,853.05 and 17,416.17 is: 24,025.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,165.28 : 38,853.05 = 17,416.17 : x
  2. Step 2: Convert to fraction form
    28,165.28/38,853.05 = 17,416.17/x
  3. Step 3: Cross multiply
    28,165.28x = 38,853.05 × 17,416.17
  4. Step 4: Simplify right side
    28,165.28x = 676,671,236.74
  5. Step 5: Solve for x
    x = 676,671,236.74/28,165.28
  6. Step 6: Final answer
    x = 24,025.02

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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.