Home / 25,926.09-38,866.59-13,439.55

Finding the Fourth Proportional to 25,926.09, 38,866.59 and 13,439.55

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Solution

The fourth proportional to 25,926.09, 38,866.59 and 13,439.55 is: 20,147.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,926.09 : 38,866.59 = 13,439.55 : x
  2. Step 2: Convert to fraction form
    25,926.09/38,866.59 = 13,439.55/x
  3. Step 3: Cross multiply
    25,926.09x = 38,866.59 × 13,439.55
  4. Step 4: Simplify right side
    25,926.09x = 522,349,479.63
  5. Step 5: Solve for x
    x = 522,349,479.63/25,926.09
  6. Step 6: Final answer
    x = 20,147.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.