Home / 38,382.51-57,579.15-13,416.88

Finding the Fourth Proportional to 38,382.51, 57,579.15 and 13,416.88

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Solution

The fourth proportional to 38,382.51, 57,579.15 and 13,416.88 is: 20,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,382.51 : 57,579.15 = 13,416.88 : x
  2. Step 2: Convert to fraction form
    38,382.51/57,579.15 = 13,416.88/x
  3. Step 3: Cross multiply
    38,382.51x = 57,579.15 × 13,416.88
  4. Step 4: Simplify right side
    38,382.51x = 772,532,624.32
  5. Step 5: Solve for x
    x = 772,532,624.32/38,382.51
  6. Step 6: Final answer
    x = 20,127.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.