Home / 28,164.91-38,877.29-16,233.01

Finding the Fourth Proportional to 28,164.91, 38,877.29 and 16,233.01

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Solution

The fourth proportional to 28,164.91, 38,877.29 and 16,233.01 is: 22,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,164.91 : 38,877.29 = 16,233.01 : x
  2. Step 2: Convert to fraction form
    28,164.91/38,877.29 = 16,233.01/x
  3. Step 3: Cross multiply
    28,164.91x = 38,877.29 × 16,233.01
  4. Step 4: Simplify right side
    28,164.91x = 631,095,437.34
  5. Step 5: Solve for x
    x = 631,095,437.34/28,164.91
  6. Step 6: Final answer
    x = 22,407.15

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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.