Home / 28,084.18-38,771.74-19,144.82

Finding the Fourth Proportional to 28,084.18, 38,771.74 and 19,144.82

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Solution

The fourth proportional to 28,084.18, 38,771.74 and 19,144.82 is: 26,430.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084.18 : 38,771.74 = 19,144.82 : x
  2. Step 2: Convert to fraction form
    28,084.18/38,771.74 = 19,144.82/x
  3. Step 3: Cross multiply
    28,084.18x = 38,771.74 × 19,144.82
  4. Step 4: Simplify right side
    28,084.18x = 742,277,983.39
  5. Step 5: Solve for x
    x = 742,277,983.39/28,084.18
  6. Step 6: Final answer
    x = 26,430.47

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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.