Home / 16,828.21-23,209.30-14,807.26

Finding the Fourth Proportional to 16,828.21, 23,209.30 and 14,807.26

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Solution

The fourth proportional to 16,828.21, 23,209.30 and 14,807.26 is: 20,422.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,828.21 : 23,209.30 = 14,807.26 : x
  2. Step 2: Convert to fraction form
    16,828.21/23,209.30 = 14,807.26/x
  3. Step 3: Cross multiply
    16,828.21x = 23,209.30 × 14,807.26
  4. Step 4: Simplify right side
    16,828.21x = 343,666,102.50
  5. Step 5: Solve for x
    x = 343,666,102.50/16,828.21
  6. Step 6: Final answer
    x = 20,422.02

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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.