Home / 25,126.20-34,663.95-15,559.29

Finding the Fourth Proportional to 25,126.20, 34,663.95 and 15,559.29

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Solution

The fourth proportional to 25,126.20, 34,663.95 and 15,559.29 is: 21,465.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,126.20 : 34,663.95 = 15,559.29 : x
  2. Step 2: Convert to fraction form
    25,126.20/34,663.95 = 15,559.29/x
  3. Step 3: Cross multiply
    25,126.20x = 34,663.95 × 15,559.29
  4. Step 4: Simplify right side
    25,126.20x = 539,346,450.60
  5. Step 5: Solve for x
    x = 539,346,450.60/25,126.20
  6. Step 6: Final answer
    x = 21,465.50

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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.