Home / 19,251.16-28,877.76-5,401.24

Finding the Fourth Proportional to 19,251.16, 28,877.76 and 5,401.24

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Solution

The fourth proportional to 19,251.16, 28,877.76 and 5,401.24 is: 8,102.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.16 : 28,877.76 = 5,401.24 : x
  2. Step 2: Convert to fraction form
    19,251.16/28,877.76 = 5,401.24/x
  3. Step 3: Cross multiply
    19,251.16x = 28,877.76 × 5,401.24
  4. Step 4: Simplify right side
    19,251.16x = 155,975,541.03
  5. Step 5: Solve for x
    x = 155,975,541.03/19,251.16
  6. Step 6: Final answer
    x = 8,102.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.