Home / 25,677.86-38,491.27-17,870.27

Finding the Fourth Proportional to 25,677.86, 38,491.27 and 17,870.27

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Solution

The fourth proportional to 25,677.86, 38,491.27 and 17,870.27 is: 26,787.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,677.86 : 38,491.27 = 17,870.27 : x
  2. Step 2: Convert to fraction form
    25,677.86/38,491.27 = 17,870.27/x
  3. Step 3: Cross multiply
    25,677.86x = 38,491.27 × 17,870.27
  4. Step 4: Simplify right side
    25,677.86x = 687,849,387.54
  5. Step 5: Solve for x
    x = 687,849,387.54/25,677.86
  6. Step 6: Final answer
    x = 26,787.64

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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.