Home / 25,219.58-34,806.08-15,153.30

Finding the Fourth Proportional to 25,219.58, 34,806.08 and 15,153.30

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Solution

The fourth proportional to 25,219.58, 34,806.08 and 15,153.30 is: 20,913.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,219.58 : 34,806.08 = 15,153.30 : x
  2. Step 2: Convert to fraction form
    25,219.58/34,806.08 = 15,153.30/x
  3. Step 3: Cross multiply
    25,219.58x = 34,806.08 × 15,153.30
  4. Step 4: Simplify right side
    25,219.58x = 527,427,009.95
  5. Step 5: Solve for x
    x = 527,427,009.95/25,219.58
  6. Step 6: Final answer
    x = 20,913.40

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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.