Home / 28,244.06-42,314.45-13,223.62

Finding the Fourth Proportional to 28,244.06, 42,314.45 and 13,223.62

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Solution

The fourth proportional to 28,244.06, 42,314.45 and 13,223.62 is: 19,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.06 : 42,314.45 = 13,223.62 : x
  2. Step 2: Convert to fraction form
    28,244.06/42,314.45 = 13,223.62/x
  3. Step 3: Cross multiply
    28,244.06x = 42,314.45 × 13,223.62
  4. Step 4: Simplify right side
    28,244.06x = 559,550,207.31
  5. Step 5: Solve for x
    x = 559,550,207.31/28,244.06
  6. Step 6: Final answer
    x = 19,811.25

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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.