Home / 28,659.69-43,018.70-19,270.17

Finding the Fourth Proportional to 28,659.69, 43,018.70 and 19,270.17

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Solution

The fourth proportional to 28,659.69, 43,018.70 and 19,270.17 is: 28,924.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,659.69 : 43,018.70 = 19,270.17 : x
  2. Step 2: Convert to fraction form
    28,659.69/43,018.70 = 19,270.17/x
  3. Step 3: Cross multiply
    28,659.69x = 43,018.70 × 19,270.17
  4. Step 4: Simplify right side
    28,659.69x = 828,977,565.83
  5. Step 5: Solve for x
    x = 828,977,565.83/28,659.69
  6. Step 6: Final answer
    x = 28,924.86

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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.