Home / 17,430.61-26,240.76-15,880.57

Finding the Fourth Proportional to 17,430.61, 26,240.76 and 15,880.57

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Solution

The fourth proportional to 17,430.61, 26,240.76 and 15,880.57 is: 23,907.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,430.61 : 26,240.76 = 15,880.57 : x
  2. Step 2: Convert to fraction form
    17,430.61/26,240.76 = 15,880.57/x
  3. Step 3: Cross multiply
    17,430.61x = 26,240.76 × 15,880.57
  4. Step 4: Simplify right side
    17,430.61x = 416,718,241.04
  5. Step 5: Solve for x
    x = 416,718,241.04/17,430.61
  6. Step 6: Final answer
    x = 23,907.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.