Home / 28,606.78-39,477.13-16,502.82

Finding the Fourth Proportional to 28,606.78, 39,477.13 and 16,502.82

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Solution

The fourth proportional to 28,606.78, 39,477.13 and 16,502.82 is: 22,773.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,606.78 : 39,477.13 = 16,502.82 : x
  2. Step 2: Convert to fraction form
    28,606.78/39,477.13 = 16,502.82/x
  3. Step 3: Cross multiply
    28,606.78x = 39,477.13 × 16,502.82
  4. Step 4: Simplify right side
    28,606.78x = 651,483,970.51
  5. Step 5: Solve for x
    x = 651,483,970.51/28,606.78
  6. Step 6: Final answer
    x = 22,773.76

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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.