Home / 25,428.24-38,144.16-11,386.08

Finding the Fourth Proportional to 25,428.24, 38,144.16 and 11,386.08

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Solution

The fourth proportional to 25,428.24, 38,144.16 and 11,386.08 is: 17,079.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,428.24 : 38,144.16 = 11,386.08 : x
  2. Step 2: Convert to fraction form
    25,428.24/38,144.16 = 11,386.08/x
  3. Step 3: Cross multiply
    25,428.24x = 38,144.16 × 11,386.08
  4. Step 4: Simplify right side
    25,428.24x = 434,312,457.29
  5. Step 5: Solve for x
    x = 434,312,457.29/25,428.24
  6. Step 6: Final answer
    x = 17,079.93

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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.