Home / 28,998.68-40,019.18-27,670.10

Finding the Fourth Proportional to 28,998.68, 40,019.18 and 27,670.10

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Solution

The fourth proportional to 28,998.68, 40,019.18 and 27,670.10 is: 38,185.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.68 : 40,019.18 = 27,670.10 : x
  2. Step 2: Convert to fraction form
    28,998.68/40,019.18 = 27,670.10/x
  3. Step 3: Cross multiply
    28,998.68x = 40,019.18 × 27,670.10
  4. Step 4: Simplify right side
    28,998.68x = 1,107,334,374.07
  5. Step 5: Solve for x
    x = 1,107,334,374.07/28,998.68
  6. Step 6: Final answer
    x = 38,185.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.