Home / 25,256.81-34,854.65-13,926.71

Finding the Fourth Proportional to 25,256.81, 34,854.65 and 13,926.71

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Solution

The fourth proportional to 25,256.81, 34,854.65 and 13,926.71 is: 19,218.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,256.81 : 34,854.65 = 13,926.71 : x
  2. Step 2: Convert to fraction form
    25,256.81/34,854.65 = 13,926.71/x
  3. Step 3: Cross multiply
    25,256.81x = 34,854.65 × 13,926.71
  4. Step 4: Simplify right side
    25,256.81x = 485,410,358.79
  5. Step 5: Solve for x
    x = 485,410,358.79/25,256.81
  6. Step 6: Final answer
    x = 19,218.99

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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.