Home / 28,626.63-39,506.85-15,881.82

Finding the Fourth Proportional to 28,626.63, 39,506.85 and 15,881.82

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Solution

The fourth proportional to 28,626.63, 39,506.85 and 15,881.82 is: 21,918.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,626.63 : 39,506.85 = 15,881.82 : x
  2. Step 2: Convert to fraction form
    28,626.63/39,506.85 = 15,881.82/x
  3. Step 3: Cross multiply
    28,626.63x = 39,506.85 × 15,881.82
  4. Step 4: Simplify right side
    28,626.63x = 627,440,680.47
  5. Step 5: Solve for x
    x = 627,440,680.47/28,626.63
  6. Step 6: Final answer
    x = 21,918.08

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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.