Home / 15,428.76-23,133.33-13,089.57

Finding the Fourth Proportional to 15,428.76, 23,133.33 and 13,089.57

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Solution

The fourth proportional to 15,428.76, 23,133.33 and 13,089.57 is: 19,626.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.76 : 23,133.33 = 13,089.57 : x
  2. Step 2: Convert to fraction form
    15,428.76/23,133.33 = 13,089.57/x
  3. Step 3: Cross multiply
    15,428.76x = 23,133.33 × 13,089.57
  4. Step 4: Simplify right side
    15,428.76x = 302,805,342.37
  5. Step 5: Solve for x
    x = 302,805,342.37/15,428.76
  6. Step 6: Final answer
    x = 19,626.03

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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.