Home / 28,153.53-42,242.67-10,619.26

Finding the Fourth Proportional to 28,153.53, 42,242.67 and 10,619.26

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Solution

The fourth proportional to 28,153.53, 42,242.67 and 10,619.26 is: 15,933.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,153.53 : 42,242.67 = 10,619.26 : x
  2. Step 2: Convert to fraction form
    28,153.53/42,242.67 = 10,619.26/x
  3. Step 3: Cross multiply
    28,153.53x = 42,242.67 × 10,619.26
  4. Step 4: Simplify right side
    28,153.53x = 448,585,790.22
  5. Step 5: Solve for x
    x = 448,585,790.22/28,153.53
  6. Step 6: Final answer
    x = 15,933.55

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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.