Home / 28,880.93-39,839.06-17,387.85

Finding the Fourth Proportional to 28,880.93, 39,839.06 and 17,387.85

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Solution

The fourth proportional to 28,880.93, 39,839.06 and 17,387.85 is: 23,985.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.93 : 39,839.06 = 17,387.85 : x
  2. Step 2: Convert to fraction form
    28,880.93/39,839.06 = 17,387.85/x
  3. Step 3: Cross multiply
    28,880.93x = 39,839.06 × 17,387.85
  4. Step 4: Simplify right side
    28,880.93x = 692,715,599.42
  5. Step 5: Solve for x
    x = 692,715,599.42/28,880.93
  6. Step 6: Final answer
    x = 23,985.22

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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.