Home / 28,038.39-38,693.84-16,104.12

Finding the Fourth Proportional to 28,038.39, 38,693.84 and 16,104.12

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Solution

The fourth proportional to 28,038.39, 38,693.84 and 16,104.12 is: 22,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,038.39 : 38,693.84 = 16,104.12 : x
  2. Step 2: Convert to fraction form
    28,038.39/38,693.84 = 16,104.12/x
  3. Step 3: Cross multiply
    28,038.39x = 38,693.84 × 16,104.12
  4. Step 4: Simplify right side
    28,038.39x = 623,130,242.62
  5. Step 5: Solve for x
    x = 623,130,242.62/28,038.39
  6. Step 6: Final answer
    x = 22,224.18

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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.