Home / 25,359.63-38,039.45-19,804.65

Finding the Fourth Proportional to 25,359.63, 38,039.45 and 19,804.65

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Solution

The fourth proportional to 25,359.63, 38,039.45 and 19,804.65 is: 29,706.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,359.63 : 38,039.45 = 19,804.65 : x
  2. Step 2: Convert to fraction form
    25,359.63/38,039.45 = 19,804.65/x
  3. Step 3: Cross multiply
    25,359.63x = 38,039.45 × 19,804.65
  4. Step 4: Simplify right side
    25,359.63x = 753,357,894.42
  5. Step 5: Solve for x
    x = 753,357,894.42/25,359.63
  6. Step 6: Final answer
    x = 29,706.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.