Home / 28,746.60-39,665.60-16,642.77

Finding the Fourth Proportional to 28,746.60, 39,665.60 and 16,642.77

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Solution

The fourth proportional to 28,746.60, 39,665.60 and 16,642.77 is: 22,964.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746.60 : 39,665.60 = 16,642.77 : x
  2. Step 2: Convert to fraction form
    28,746.60/39,665.60 = 16,642.77/x
  3. Step 3: Cross multiply
    28,746.60x = 39,665.60 × 16,642.77
  4. Step 4: Simplify right side
    28,746.60x = 660,145,288.16
  5. Step 5: Solve for x
    x = 660,145,288.16/28,746.60
  6. Step 6: Final answer
    x = 22,964.29

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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.