Home / 28,979.18-43,459.54-14,937.42

Finding the Fourth Proportional to 28,979.18, 43,459.54 and 14,937.42

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Solution

The fourth proportional to 28,979.18, 43,459.54 and 14,937.42 is: 22,401.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979.18 : 43,459.54 = 14,937.42 : x
  2. Step 2: Convert to fraction form
    28,979.18/43,459.54 = 14,937.42/x
  3. Step 3: Cross multiply
    28,979.18x = 43,459.54 × 14,937.42
  4. Step 4: Simplify right side
    28,979.18x = 649,173,401.99
  5. Step 5: Solve for x
    x = 649,173,401.99/28,979.18
  6. Step 6: Final answer
    x = 22,401.37

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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.