Home / 25,811.65-35,617.92-14,479.57

Finding the Fourth Proportional to 25,811.65, 35,617.92 and 14,479.57

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Solution

The fourth proportional to 25,811.65, 35,617.92 and 14,479.57 is: 19,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,811.65 : 35,617.92 = 14,479.57 : x
  2. Step 2: Convert to fraction form
    25,811.65/35,617.92 = 14,479.57/x
  3. Step 3: Cross multiply
    25,811.65x = 35,617.92 × 14,479.57
  4. Step 4: Simplify right side
    25,811.65x = 515,732,165.89
  5. Step 5: Solve for x
    x = 515,732,165.89/25,811.65
  6. Step 6: Final answer
    x = 19,980.60

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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.