Home / 26,643.90-36,768.42-16,031.28

Finding the Fourth Proportional to 26,643.90, 36,768.42 and 16,031.28

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Solution

The fourth proportional to 26,643.90, 36,768.42 and 16,031.28 is: 22,123.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,643.90 : 36,768.42 = 16,031.28 : x
  2. Step 2: Convert to fraction form
    26,643.90/36,768.42 = 16,031.28/x
  3. Step 3: Cross multiply
    26,643.90x = 36,768.42 × 16,031.28
  4. Step 4: Simplify right side
    26,643.90x = 589,444,836.18
  5. Step 5: Solve for x
    x = 589,444,836.18/26,643.90
  6. Step 6: Final answer
    x = 22,123.07

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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.