Home / 25,483.29-38,206.45-12,840.82

Finding the Fourth Proportional to 25,483.29, 38,206.45 and 12,840.82

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Solution

The fourth proportional to 25,483.29, 38,206.45 and 12,840.82 is: 19,251.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,483.29 : 38,206.45 = 12,840.82 : x
  2. Step 2: Convert to fraction form
    25,483.29/38,206.45 = 12,840.82/x
  3. Step 3: Cross multiply
    25,483.29x = 38,206.45 × 12,840.82
  4. Step 4: Simplify right side
    25,483.29x = 490,602,147.29
  5. Step 5: Solve for x
    x = 490,602,147.29/25,483.29
  6. Step 6: Final answer
    x = 19,251.92

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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.