Home / 28,738.01-43,108.13-10,019.95

Finding the Fourth Proportional to 28,738.01, 43,108.13 and 10,019.95

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Solution

The fourth proportional to 28,738.01, 43,108.13 and 10,019.95 is: 15,030.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738.01 : 43,108.13 = 10,019.95 : x
  2. Step 2: Convert to fraction form
    28,738.01/43,108.13 = 10,019.95/x
  3. Step 3: Cross multiply
    28,738.01x = 43,108.13 × 10,019.95
  4. Step 4: Simplify right side
    28,738.01x = 431,941,224.47
  5. Step 5: Solve for x
    x = 431,941,224.47/28,738.01
  6. Step 6: Final answer
    x = 15,030.31

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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.