Home / 28,165.41-38,877.98-16,233.51

Finding the Fourth Proportional to 28,165.41, 38,877.98 and 16,233.51

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Solution

The fourth proportional to 28,165.41, 38,877.98 and 16,233.51 is: 22,407.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,165.41 : 38,877.98 = 16,233.51 : x
  2. Step 2: Convert to fraction form
    28,165.41/38,877.98 = 16,233.51/x
  3. Step 3: Cross multiply
    28,165.41x = 38,877.98 × 16,233.51
  4. Step 4: Simplify right side
    28,165.41x = 631,126,077.11
  5. Step 5: Solve for x
    x = 631,126,077.11/28,165.41
  6. Step 6: Final answer
    x = 22,407.84

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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.