Home / 28,633.16-39,513.72-17,455.16

Finding the Fourth Proportional to 28,633.16, 39,513.72 and 17,455.16

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Solution

The fourth proportional to 28,633.16, 39,513.72 and 17,455.16 is: 24,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,633.16 : 39,513.72 = 17,455.16 : x
  2. Step 2: Convert to fraction form
    28,633.16/39,513.72 = 17,455.16/x
  3. Step 3: Cross multiply
    28,633.16x = 39,513.72 × 17,455.16
  4. Step 4: Simplify right side
    28,633.16x = 689,718,304.80
  5. Step 5: Solve for x
    x = 689,718,304.80/28,633.16
  6. Step 6: Final answer
    x = 24,088.10

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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.