Home / 25,457.14-38,185.67-14,358.79

Finding the Fourth Proportional to 25,457.14, 38,185.67 and 14,358.79

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Solution

The fourth proportional to 25,457.14, 38,185.67 and 14,358.79 is: 21,538.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,457.14 : 38,185.67 = 14,358.79 : x
  2. Step 2: Convert to fraction form
    25,457.14/38,185.67 = 14,358.79/x
  3. Step 3: Cross multiply
    25,457.14x = 38,185.67 × 14,358.79
  4. Step 4: Simplify right side
    25,457.14x = 548,299,956.97
  5. Step 5: Solve for x
    x = 548,299,956.97/25,457.14
  6. Step 6: Final answer
    x = 21,538.16

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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.