Home / 25,384.93-38,081.04-7,856.26

Finding the Fourth Proportional to 25,384.93, 38,081.04 and 7,856.26

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Solution

The fourth proportional to 25,384.93, 38,081.04 and 7,856.26 is: 11,785.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,384.93 : 38,081.04 = 7,856.26 : x
  2. Step 2: Convert to fraction form
    25,384.93/38,081.04 = 7,856.26/x
  3. Step 3: Cross multiply
    25,384.93x = 38,081.04 × 7,856.26
  4. Step 4: Simplify right side
    25,384.93x = 299,174,551.31
  5. Step 5: Solve for x
    x = 299,174,551.31/25,384.93
  6. Step 6: Final answer
    x = 11,785.52

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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.