Home / 28,137.47-38,747.04-25,152.22

Finding the Fourth Proportional to 28,137.47, 38,747.04 and 25,152.22

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Solution

The fourth proportional to 28,137.47, 38,747.04 and 25,152.22 is: 34,636.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,137.47 : 38,747.04 = 25,152.22 : x
  2. Step 2: Convert to fraction form
    28,137.47/38,747.04 = 25,152.22/x
  3. Step 3: Cross multiply
    28,137.47x = 38,747.04 × 25,152.22
  4. Step 4: Simplify right side
    28,137.47x = 974,573,880.69
  5. Step 5: Solve for x
    x = 974,573,880.69/28,137.47
  6. Step 6: Final answer
    x = 34,636.16

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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.