Home / 25,400.16-35,051.38-14,069.68

Finding the Fourth Proportional to 25,400.16, 35,051.38 and 14,069.68

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Solution

The fourth proportional to 25,400.16, 35,051.38 and 14,069.68 is: 19,415.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,400.16 : 35,051.38 = 14,069.68 : x
  2. Step 2: Convert to fraction form
    25,400.16/35,051.38 = 14,069.68/x
  3. Step 3: Cross multiply
    25,400.16x = 35,051.38 × 14,069.68
  4. Step 4: Simplify right side
    25,400.16x = 493,161,700.16
  5. Step 5: Solve for x
    x = 493,161,700.16/25,400.16
  6. Step 6: Final answer
    x = 19,415.69

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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.