Home / 25,657.77-38,457.87-16,790.16

Finding the Fourth Proportional to 25,657.77, 38,457.87 and 16,790.16

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Solution

The fourth proportional to 25,657.77, 38,457.87 and 16,790.16 is: 25,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,657.77 : 38,457.87 = 16,790.16 : x
  2. Step 2: Convert to fraction form
    25,657.77/38,457.87 = 16,790.16/x
  3. Step 3: Cross multiply
    25,657.77x = 38,457.87 × 16,790.16
  4. Step 4: Simplify right side
    25,657.77x = 645,713,790.56
  5. Step 5: Solve for x
    x = 645,713,790.56/25,657.77
  6. Step 6: Final answer
    x = 25,166.40

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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.