Home / 28,244.50-42,315.11-13,224.06

Finding the Fourth Proportional to 28,244.50, 42,315.11 and 13,224.06

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Solution

The fourth proportional to 28,244.50, 42,315.11 and 13,224.06 is: 19,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.50 : 42,315.11 = 13,224.06 : x
  2. Step 2: Convert to fraction form
    28,244.50/42,315.11 = 13,224.06/x
  3. Step 3: Cross multiply
    28,244.50x = 42,315.11 × 13,224.06
  4. Step 4: Simplify right side
    28,244.50x = 559,577,381.64
  5. Step 5: Solve for x
    x = 559,577,381.64/28,244.50
  6. Step 6: Final answer
    x = 19,811.91

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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.