Home / 19,407.60-26,767.32-16,431.60

Finding the Fourth Proportional to 19,407.60, 26,767.32 and 16,431.60

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Solution

The fourth proportional to 19,407.60, 26,767.32 and 16,431.60 is: 22,662.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,407.60 : 26,767.32 = 16,431.60 : x
  2. Step 2: Convert to fraction form
    19,407.60/26,767.32 = 16,431.60/x
  3. Step 3: Cross multiply
    19,407.60x = 26,767.32 × 16,431.60
  4. Step 4: Simplify right side
    19,407.60x = 439,829,895.31
  5. Step 5: Solve for x
    x = 439,829,895.31/19,407.60
  6. Step 6: Final answer
    x = 22,662.77

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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.