Home / 25,330.02-38,005.96-13,640.91

Finding the Fourth Proportional to 25,330.02, 38,005.96 and 13,640.91

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Solution

The fourth proportional to 25,330.02, 38,005.96 and 13,640.91 is: 20,467.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,330.02 : 38,005.96 = 13,640.91 : x
  2. Step 2: Convert to fraction form
    25,330.02/38,005.96 = 13,640.91/x
  3. Step 3: Cross multiply
    25,330.02x = 38,005.96 × 13,640.91
  4. Step 4: Simplify right side
    25,330.02x = 518,435,879.82
  5. Step 5: Solve for x
    x = 518,435,879.82/25,330.02
  6. Step 6: Final answer
    x = 20,467.25

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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.