Home / 28,110.26-38,792.04-15,535.10

Finding the Fourth Proportional to 28,110.26, 38,792.04 and 15,535.10

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Solution

The fourth proportional to 28,110.26, 38,792.04 and 15,535.10 is: 21,438.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,110.26 : 38,792.04 = 15,535.10 : x
  2. Step 2: Convert to fraction form
    28,110.26/38,792.04 = 15,535.10/x
  3. Step 3: Cross multiply
    28,110.26x = 38,792.04 × 15,535.10
  4. Step 4: Simplify right side
    28,110.26x = 602,638,220.60
  5. Step 5: Solve for x
    x = 602,638,220.60/28,110.26
  6. Step 6: Final answer
    x = 21,438.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.