Home / 25,990.25-39,002.66-9,574.25

Finding the Fourth Proportional to 25,990.25, 39,002.66 and 9,574.25

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Solution

The fourth proportional to 25,990.25, 39,002.66 and 9,574.25 is: 14,367.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,990.25 : 39,002.66 = 9,574.25 : x
  2. Step 2: Convert to fraction form
    25,990.25/39,002.66 = 9,574.25/x
  3. Step 3: Cross multiply
    25,990.25x = 39,002.66 × 9,574.25
  4. Step 4: Simplify right side
    25,990.25x = 373,421,169.63
  5. Step 5: Solve for x
    x = 373,421,169.63/25,990.25
  6. Step 6: Final answer
    x = 14,367.74

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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.