Home / 28,048.28-38,706.05-16,111.31

Finding the Fourth Proportional to 28,048.28, 38,706.05 and 16,111.31

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Solution

The fourth proportional to 28,048.28, 38,706.05 and 16,111.31 is: 22,233.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048.28 : 38,706.05 = 16,111.31 : x
  2. Step 2: Convert to fraction form
    28,048.28/38,706.05 = 16,111.31/x
  3. Step 3: Cross multiply
    28,048.28x = 38,706.05 × 16,111.31
  4. Step 4: Simplify right side
    28,048.28x = 623,605,017.17
  5. Step 5: Solve for x
    x = 623,605,017.17/28,048.28
  6. Step 6: Final answer
    x = 22,233.28

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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.