Home / 25,280.34-37,926.42-8,640.50

Finding the Fourth Proportional to 25,280.34, 37,926.42 and 8,640.50

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Solution

The fourth proportional to 25,280.34, 37,926.42 and 8,640.50 is: 12,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,280.34 : 37,926.42 = 8,640.50 : x
  2. Step 2: Convert to fraction form
    25,280.34/37,926.42 = 8,640.50/x
  3. Step 3: Cross multiply
    25,280.34x = 37,926.42 × 8,640.50
  4. Step 4: Simplify right side
    25,280.34x = 327,703,232.01
  5. Step 5: Solve for x
    x = 327,703,232.01/25,280.34
  6. Step 6: Final answer
    x = 12,962.77

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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.