Home / 28,297.86-42,446.74-7,521.36

Finding the Fourth Proportional to 28,297.86, 42,446.74 and 7,521.36

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Solution

The fourth proportional to 28,297.86, 42,446.74 and 7,521.36 is: 11,282.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297.86 : 42,446.74 = 7,521.36 : x
  2. Step 2: Convert to fraction form
    28,297.86/42,446.74 = 7,521.36/x
  3. Step 3: Cross multiply
    28,297.86x = 42,446.74 × 7,521.36
  4. Step 4: Simplify right side
    28,297.86x = 319,257,212.37
  5. Step 5: Solve for x
    x = 319,257,212.37/28,297.86
  6. Step 6: Final answer
    x = 11,282.03

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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.