Home / 25,720.86-35,496.42-14,391.66

Finding the Fourth Proportional to 25,720.86, 35,496.42 and 14,391.66

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Solution

The fourth proportional to 25,720.86, 35,496.42 and 14,391.66 is: 19,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,720.86 : 35,496.42 = 14,391.66 : x
  2. Step 2: Convert to fraction form
    25,720.86/35,496.42 = 14,391.66/x
  3. Step 3: Cross multiply
    25,720.86x = 35,496.42 × 14,391.66
  4. Step 4: Simplify right side
    25,720.86x = 510,852,407.86
  5. Step 5: Solve for x
    x = 510,852,407.86/25,720.86
  6. Step 6: Final answer
    x = 19,861.40

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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.