Home / 25,384.68-38,077.28-11,345.44

Finding the Fourth Proportional to 25,384.68, 38,077.28 and 11,345.44

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Solution

The fourth proportional to 25,384.68, 38,077.28 and 11,345.44 is: 17,018.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,384.68 : 38,077.28 = 11,345.44 : x
  2. Step 2: Convert to fraction form
    25,384.68/38,077.28 = 11,345.44/x
  3. Step 3: Cross multiply
    25,384.68x = 38,077.28 × 11,345.44
  4. Step 4: Simplify right side
    25,384.68x = 432,003,495.60
  5. Step 5: Solve for x
    x = 432,003,495.60/25,384.68
  6. Step 6: Final answer
    x = 17,018.28

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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.