Home / 25,318.28-34,938.55-13,985.95

Finding the Fourth Proportional to 25,318.28, 34,938.55 and 13,985.95

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Solution

The fourth proportional to 25,318.28, 34,938.55 and 13,985.95 is: 19,300.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,318.28 : 34,938.55 = 13,985.95 : x
  2. Step 2: Convert to fraction form
    25,318.28/34,938.55 = 13,985.95/x
  3. Step 3: Cross multiply
    25,318.28x = 34,938.55 × 13,985.95
  4. Step 4: Simplify right side
    25,318.28x = 488,648,813.37
  5. Step 5: Solve for x
    x = 488,648,813.37/25,318.28
  6. Step 6: Final answer
    x = 19,300.24

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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.