Home / 25,680.90-35,437.86-14,195.32

Finding the Fourth Proportional to 25,680.90, 35,437.86 and 14,195.32

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Solution

The fourth proportional to 25,680.90, 35,437.86 and 14,195.32 is: 19,588.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,680.90 : 35,437.86 = 14,195.32 : x
  2. Step 2: Convert to fraction form
    25,680.90/35,437.86 = 14,195.32/x
  3. Step 3: Cross multiply
    25,680.90x = 35,437.86 × 14,195.32
  4. Step 4: Simplify right side
    25,680.90x = 503,051,762.82
  5. Step 5: Solve for x
    x = 503,051,762.82/25,680.90
  6. Step 6: Final answer
    x = 19,588.56

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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.