Home / 25,151.32-34,709.40-13,821.52

Finding the Fourth Proportional to 25,151.32, 34,709.40 and 13,821.52

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Solution

The fourth proportional to 25,151.32, 34,709.40 and 13,821.52 is: 19,074.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,151.32 : 34,709.40 = 13,821.52 : x
  2. Step 2: Convert to fraction form
    25,151.32/34,709.40 = 13,821.52/x
  3. Step 3: Cross multiply
    25,151.32x = 34,709.40 × 13,821.52
  4. Step 4: Simplify right side
    25,151.32x = 479,736,666.29
  5. Step 5: Solve for x
    x = 479,736,666.29/25,151.32
  6. Step 6: Final answer
    x = 19,074.02

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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.