Home / 27,646.10-38,152.40-16,892.72

Finding the Fourth Proportional to 27,646.10, 38,152.40 and 16,892.72

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Solution

The fourth proportional to 27,646.10, 38,152.40 and 16,892.72 is: 23,312.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,646.10 : 38,152.40 = 16,892.72 : x
  2. Step 2: Convert to fraction form
    27,646.10/38,152.40 = 16,892.72/x
  3. Step 3: Cross multiply
    27,646.10x = 38,152.40 × 16,892.72
  4. Step 4: Simplify right side
    27,646.10x = 644,497,726.06
  5. Step 5: Solve for x
    x = 644,497,726.06/27,646.10
  6. Step 6: Final answer
    x = 23,312.43

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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.