Home / 25,689.77-35,451.66-14,359.75

Finding the Fourth Proportional to 25,689.77, 35,451.66 and 14,359.75

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Solution

The fourth proportional to 25,689.77, 35,451.66 and 14,359.75 is: 19,816.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,689.77 : 35,451.66 = 14,359.75 : x
  2. Step 2: Convert to fraction form
    25,689.77/35,451.66 = 14,359.75/x
  3. Step 3: Cross multiply
    25,689.77x = 35,451.66 × 14,359.75
  4. Step 4: Simplify right side
    25,689.77x = 509,076,859.13
  5. Step 5: Solve for x
    x = 509,076,859.13/25,689.77
  6. Step 6: Final answer
    x = 19,816.32

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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.