Home / 28,013.51-38,664.32-16,085.04

Finding the Fourth Proportional to 28,013.51, 38,664.32 and 16,085.04

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Solution

The fourth proportional to 28,013.51, 38,664.32 and 16,085.04 is: 22,200.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,013.51 : 38,664.32 = 16,085.04 : x
  2. Step 2: Convert to fraction form
    28,013.51/38,664.32 = 16,085.04/x
  3. Step 3: Cross multiply
    28,013.51x = 38,664.32 × 16,085.04
  4. Step 4: Simplify right side
    28,013.51x = 621,917,053.35
  5. Step 5: Solve for x
    x = 621,917,053.35/28,013.51
  6. Step 6: Final answer
    x = 22,200.62

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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.