Home / 25,760.66-38,587.91-12,394.17

Finding the Fourth Proportional to 25,760.66, 38,587.91 and 12,394.17

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Solution

The fourth proportional to 25,760.66, 38,587.91 and 12,394.17 is: 18,565.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,760.66 : 38,587.91 = 12,394.17 : x
  2. Step 2: Convert to fraction form
    25,760.66/38,587.91 = 12,394.17/x
  3. Step 3: Cross multiply
    25,760.66x = 38,587.91 × 12,394.17
  4. Step 4: Simplify right side
    25,760.66x = 478,265,054.51
  5. Step 5: Solve for x
    x = 478,265,054.51/25,760.66
  6. Step 6: Final answer
    x = 18,565.72

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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.