Home / 25,290.45-34,900.63-13,959.95

Finding the Fourth Proportional to 25,290.45, 34,900.63 and 13,959.95

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Solution

The fourth proportional to 25,290.45, 34,900.63 and 13,959.95 is: 19,264.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,290.45 : 34,900.63 = 13,959.95 : x
  2. Step 2: Convert to fraction form
    25,290.45/34,900.63 = 13,959.95/x
  3. Step 3: Cross multiply
    25,290.45x = 34,900.63 × 13,959.95
  4. Step 4: Simplify right side
    25,290.45x = 487,211,071.04
  5. Step 5: Solve for x
    x = 487,211,071.04/25,290.45
  6. Step 6: Final answer
    x = 19,264.62

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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.