Home / 25,554.41-38,315.21-16,779.07

Finding the Fourth Proportional to 25,554.41, 38,315.21 and 16,779.07

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Solution

The fourth proportional to 25,554.41, 38,315.21 and 16,779.07 is: 25,157.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,554.41 : 38,315.21 = 16,779.07 : x
  2. Step 2: Convert to fraction form
    25,554.41/38,315.21 = 16,779.07/x
  3. Step 3: Cross multiply
    25,554.41x = 38,315.21 × 16,779.07
  4. Step 4: Simplify right side
    25,554.41x = 642,893,617.57
  5. Step 5: Solve for x
    x = 642,893,617.57/25,554.41
  6. Step 6: Final answer
    x = 25,157.84

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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.