Home / 25,108.76-37,639.57-8,457.14

Finding the Fourth Proportional to 25,108.76, 37,639.57 and 8,457.14

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Solution

The fourth proportional to 25,108.76, 37,639.57 and 8,457.14 is: 12,677.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,108.76 : 37,639.57 = 8,457.14 : x
  2. Step 2: Convert to fraction form
    25,108.76/37,639.57 = 8,457.14/x
  3. Step 3: Cross multiply
    25,108.76x = 37,639.57 × 8,457.14
  4. Step 4: Simplify right side
    25,108.76x = 318,323,113.03
  5. Step 5: Solve for x
    x = 318,323,113.03/25,108.76
  6. Step 6: Final answer
    x = 12,677.77

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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.