Home / 25,490.70-35,162.91-16,042.86

Finding the Fourth Proportional to 25,490.70, 35,162.91 and 16,042.86

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Solution

The fourth proportional to 25,490.70, 35,162.91 and 16,042.86 is: 22,130.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,490.70 : 35,162.91 = 16,042.86 : x
  2. Step 2: Convert to fraction form
    25,490.70/35,162.91 = 16,042.86/x
  3. Step 3: Cross multiply
    25,490.70x = 35,162.91 × 16,042.86
  4. Step 4: Simplify right side
    25,490.70x = 564,113,642.32
  5. Step 5: Solve for x
    x = 564,113,642.32/25,490.70
  6. Step 6: Final answer
    x = 22,130.17

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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.