Home / 28,124.13-38,812.46-16,187.51

Finding the Fourth Proportional to 28,124.13, 38,812.46 and 16,187.51

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Solution

The fourth proportional to 28,124.13, 38,812.46 and 16,187.51 is: 22,339.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,124.13 : 38,812.46 = 16,187.51 : x
  2. Step 2: Convert to fraction form
    28,124.13/38,812.46 = 16,187.51/x
  3. Step 3: Cross multiply
    28,124.13x = 38,812.46 × 16,187.51
  4. Step 4: Simplify right side
    28,124.13x = 628,276,809.37
  5. Step 5: Solve for x
    x = 628,276,809.37/28,124.13
  6. Step 6: Final answer
    x = 22,339.42

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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.