Home / 42,641.60-63,879.27-25,960.26

Finding the Fourth Proportional to 42,641.60, 63,879.27 and 25,960.26

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Solution

The fourth proportional to 42,641.60, 63,879.27 and 25,960.26 is: 38,889.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,641.60 : 63,879.27 = 25,960.26 : x
  2. Step 2: Convert to fraction form
    42,641.60/63,879.27 = 25,960.26/x
  3. Step 3: Cross multiply
    42,641.60x = 63,879.27 × 25,960.26
  4. Step 4: Simplify right side
    42,641.60x = 1,658,322,457.81
  5. Step 5: Solve for x
    x = 1,658,322,457.81/42,641.60
  6. Step 6: Final answer
    x = 38,889.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.