Home / 25,665.02-38,498.90-8,136.21

Finding the Fourth Proportional to 25,665.02, 38,498.90 and 8,136.21

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Solution

The fourth proportional to 25,665.02, 38,498.90 and 8,136.21 is: 12,204.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,665.02 : 38,498.90 = 8,136.21 : x
  2. Step 2: Convert to fraction form
    25,665.02/38,498.90 = 8,136.21/x
  3. Step 3: Cross multiply
    25,665.02x = 38,498.90 × 8,136.21
  4. Step 4: Simplify right side
    25,665.02x = 313,235,155.51
  5. Step 5: Solve for x
    x = 313,235,155.51/25,665.02
  6. Step 6: Final answer
    x = 12,204.75

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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.