Home / 19,029.40-28,554.90-7,343.32

Finding the Fourth Proportional to 19,029.40, 28,554.90 and 7,343.32

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Solution

The fourth proportional to 19,029.40, 28,554.90 and 7,343.32 is: 11,019.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029.40 : 28,554.90 = 7,343.32 : x
  2. Step 2: Convert to fraction form
    19,029.40/28,554.90 = 7,343.32/x
  3. Step 3: Cross multiply
    19,029.40x = 28,554.90 × 7,343.32
  4. Step 4: Simplify right side
    19,029.40x = 209,687,768.27
  5. Step 5: Solve for x
    x = 209,687,768.27/19,029.40
  6. Step 6: Final answer
    x = 11,019.15

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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.