Home / 28,541.13-39,402.59-17,213.51

Finding the Fourth Proportional to 28,541.13, 39,402.59 and 17,213.51

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Solution

The fourth proportional to 28,541.13, 39,402.59 and 17,213.51 is: 23,764.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541.13 : 39,402.59 = 17,213.51 : x
  2. Step 2: Convert to fraction form
    28,541.13/39,402.59 = 17,213.51/x
  3. Step 3: Cross multiply
    28,541.13x = 39,402.59 × 17,213.51
  4. Step 4: Simplify right side
    28,541.13x = 678,256,723.01
  5. Step 5: Solve for x
    x = 678,256,723.01/28,541.13
  6. Step 6: Final answer
    x = 23,764.19

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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.