Home / 25,589.79-35,314.16-14,979.64

Finding the Fourth Proportional to 25,589.79, 35,314.16 and 14,979.64

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Solution

The fourth proportional to 25,589.79, 35,314.16 and 14,979.64 is: 20,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,589.79 : 35,314.16 = 14,979.64 : x
  2. Step 2: Convert to fraction form
    25,589.79/35,314.16 = 14,979.64/x
  3. Step 3: Cross multiply
    25,589.79x = 35,314.16 × 14,979.64
  4. Step 4: Simplify right side
    25,589.79x = 528,993,328.80
  5. Step 5: Solve for x
    x = 528,993,328.80/25,589.79
  6. Step 6: Final answer
    x = 20,672.05

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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.