Home / 38,828.16-58,254.64-13,867.68

Finding the Fourth Proportional to 38,828.16, 58,254.64 and 13,867.68

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Solution

The fourth proportional to 38,828.16, 58,254.64 and 13,867.68 is: 20,805.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,828.16 : 58,254.64 = 13,867.68 : x
  2. Step 2: Convert to fraction form
    38,828.16/58,254.64 = 13,867.68/x
  3. Step 3: Cross multiply
    38,828.16x = 58,254.64 × 13,867.68
  4. Step 4: Simplify right side
    38,828.16x = 807,856,706.04
  5. Step 5: Solve for x
    x = 807,856,706.04/38,828.16
  6. Step 6: Final answer
    x = 20,805.95

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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.