Home / 28,160.41-38,871.08-16,228.51

Finding the Fourth Proportional to 28,160.41, 38,871.08 and 16,228.51

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Solution

The fourth proportional to 28,160.41, 38,871.08 and 16,228.51 is: 22,400.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,160.41 : 38,871.08 = 16,228.51 : x
  2. Step 2: Convert to fraction form
    28,160.41/38,871.08 = 16,228.51/x
  3. Step 3: Cross multiply
    28,160.41x = 38,871.08 × 16,228.51
  4. Step 4: Simplify right side
    28,160.41x = 630,819,710.49
  5. Step 5: Solve for x
    x = 630,819,710.49/28,160.41
  6. Step 6: Final answer
    x = 22,400.94

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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.