Home / 28,439.37-39,248.24-16,502.67

Finding the Fourth Proportional to 28,439.37, 39,248.24 and 16,502.67

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Solution

The fourth proportional to 28,439.37, 39,248.24 and 16,502.67 is: 22,774.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,439.37 : 39,248.24 = 16,502.67 : x
  2. Step 2: Convert to fraction form
    28,439.37/39,248.24 = 16,502.67/x
  3. Step 3: Cross multiply
    28,439.37x = 39,248.24 × 16,502.67
  4. Step 4: Simplify right side
    28,439.37x = 647,700,670.29
  5. Step 5: Solve for x
    x = 647,700,670.29/28,439.37
  6. Step 6: Final answer
    x = 22,774.79

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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.