Home / 28,041.10-38,696.46-15,294.56

Finding the Fourth Proportional to 28,041.10, 38,696.46 and 15,294.56

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Solution

The fourth proportional to 28,041.10, 38,696.46 and 15,294.56 is: 21,106.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,041.10 : 38,696.46 = 15,294.56 : x
  2. Step 2: Convert to fraction form
    28,041.10/38,696.46 = 15,294.56/x
  3. Step 3: Cross multiply
    28,041.10x = 38,696.46 × 15,294.56
  4. Step 4: Simplify right side
    28,041.10x = 591,845,329.26
  5. Step 5: Solve for x
    x = 591,845,329.26/28,041.10
  6. Step 6: Final answer
    x = 21,106.35

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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.