Home / 25,370.69-38,006.79-18,695.07

Finding the Fourth Proportional to 25,370.69, 38,006.79 and 18,695.07

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Solution

The fourth proportional to 25,370.69, 38,006.79 and 18,695.07 is: 28,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,370.69 : 38,006.79 = 18,695.07 : x
  2. Step 2: Convert to fraction form
    25,370.69/38,006.79 = 18,695.07/x
  3. Step 3: Cross multiply
    25,370.69x = 38,006.79 × 18,695.07
  4. Step 4: Simplify right side
    25,370.69x = 710,539,599.53
  5. Step 5: Solve for x
    x = 710,539,599.53/25,370.69
  6. Step 6: Final answer
    x = 28,006.32

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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.