Home / 28,541.63-39,384.75-19,324.43

Finding the Fourth Proportional to 28,541.63, 39,384.75 and 19,324.43

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Solution

The fourth proportional to 28,541.63, 39,384.75 and 19,324.43 is: 26,665.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541.63 : 39,384.75 = 19,324.43 : x
  2. Step 2: Convert to fraction form
    28,541.63/39,384.75 = 19,324.43/x
  3. Step 3: Cross multiply
    28,541.63x = 39,384.75 × 19,324.43
  4. Step 4: Simplify right side
    28,541.63x = 761,087,647.52
  5. Step 5: Solve for x
    x = 761,087,647.52/28,541.63
  6. Step 6: Final answer
    x = 26,665.88

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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.