Home / 25,277.95-34,883.34-13,947.55

Finding the Fourth Proportional to 25,277.95, 34,883.34 and 13,947.55

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Solution

The fourth proportional to 25,277.95, 34,883.34 and 13,947.55 is: 19,247.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,277.95 : 34,883.34 = 13,947.55 : x
  2. Step 2: Convert to fraction form
    25,277.95/34,883.34 = 13,947.55/x
  3. Step 3: Cross multiply
    25,277.95x = 34,883.34 × 13,947.55
  4. Step 4: Simplify right side
    25,277.95x = 486,537,128.82
  5. Step 5: Solve for x
    x = 486,537,128.82/25,277.95
  6. Step 6: Final answer
    x = 19,247.49

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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.