Home / 28,971.54-39,960.09-26,589.19

Finding the Fourth Proportional to 28,971.54, 39,960.09 and 26,589.19

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Solution

The fourth proportional to 28,971.54, 39,960.09 and 26,589.19 is: 36,674.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,971.54 : 39,960.09 = 26,589.19 : x
  2. Step 2: Convert to fraction form
    28,971.54/39,960.09 = 26,589.19/x
  3. Step 3: Cross multiply
    28,971.54x = 39,960.09 × 26,589.19
  4. Step 4: Simplify right side
    28,971.54x = 1,062,506,425.43
  5. Step 5: Solve for x
    x = 1,062,506,425.43/28,971.54
  6. Step 6: Final answer
    x = 36,674.14

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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.