Home / 25,817.04-38,720.95-16,429.20

Finding the Fourth Proportional to 25,817.04, 38,720.95 and 16,429.20

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Solution

The fourth proportional to 25,817.04, 38,720.95 and 16,429.20 is: 24,640.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,817.04 : 38,720.95 = 16,429.20 : x
  2. Step 2: Convert to fraction form
    25,817.04/38,720.95 = 16,429.20/x
  3. Step 3: Cross multiply
    25,817.04x = 38,720.95 × 16,429.20
  4. Step 4: Simplify right side
    25,817.04x = 636,154,231.74
  5. Step 5: Solve for x
    x = 636,154,231.74/25,817.04
  6. Step 6: Final answer
    x = 24,640.87

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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.