Home / 28,026.72-38,673.36-16,088.40

Finding the Fourth Proportional to 28,026.72, 38,673.36 and 16,088.40

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Solution

The fourth proportional to 28,026.72, 38,673.36 and 16,088.40 is: 22,199.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026.72 : 38,673.36 = 16,088.40 : x
  2. Step 2: Convert to fraction form
    28,026.72/38,673.36 = 16,088.40/x
  3. Step 3: Cross multiply
    28,026.72x = 38,673.36 × 16,088.40
  4. Step 4: Simplify right side
    28,026.72x = 622,192,485.02
  5. Step 5: Solve for x
    x = 622,192,485.02/28,026.72
  6. Step 6: Final answer
    x = 22,199.98

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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.