Home / 28,738.17-43,108.47-10,020.08

Finding the Fourth Proportional to 28,738.17, 43,108.47 and 10,020.08

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Solution

The fourth proportional to 28,738.17, 43,108.47 and 10,020.08 is: 15,030.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738.17 : 43,108.47 = 10,020.08 : x
  2. Step 2: Convert to fraction form
    28,738.17/43,108.47 = 10,020.08/x
  3. Step 3: Cross multiply
    28,738.17x = 43,108.47 × 10,020.08
  4. Step 4: Simplify right side
    28,738.17x = 431,950,318.08
  5. Step 5: Solve for x
    x = 431,950,318.08/28,738.17
  6. Step 6: Final answer
    x = 15,030.54

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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.