Home / 28,156.08-38,852.75-16,823.32

Finding the Fourth Proportional to 28,156.08, 38,852.75 and 16,823.32

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Solution

The fourth proportional to 28,156.08, 38,852.75 and 16,823.32 is: 23,214.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,156.08 : 38,852.75 = 16,823.32 : x
  2. Step 2: Convert to fraction form
    28,156.08/38,852.75 = 16,823.32/x
  3. Step 3: Cross multiply
    28,156.08x = 38,852.75 × 16,823.32
  4. Step 4: Simplify right side
    28,156.08x = 653,631,967.75
  5. Step 5: Solve for x
    x = 653,631,967.75/28,156.08
  6. Step 6: Final answer
    x = 23,214.60

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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.