Home / 25,688.08-38,536.60-8,158.48

Finding the Fourth Proportional to 25,688.08, 38,536.60 and 8,158.48

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Solution

The fourth proportional to 25,688.08, 38,536.60 and 8,158.48 is: 12,239.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688.08 : 38,536.60 = 8,158.48 : x
  2. Step 2: Convert to fraction form
    25,688.08/38,536.60 = 8,158.48/x
  3. Step 3: Cross multiply
    25,688.08x = 38,536.60 × 8,158.48
  4. Step 4: Simplify right side
    25,688.08x = 314,400,080.37
  5. Step 5: Solve for x
    x = 314,400,080.37/25,688.08
  6. Step 6: Final answer
    x = 12,239.14

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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.