Home / 28,354.08-39,068.88-19,403.04

Finding the Fourth Proportional to 28,354.08, 39,068.88 and 19,403.04

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Solution

The fourth proportional to 28,354.08, 39,068.88 and 19,403.04 is: 26,735.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,354.08 : 39,068.88 = 19,403.04 : x
  2. Step 2: Convert to fraction form
    28,354.08/39,068.88 = 19,403.04/x
  3. Step 3: Cross multiply
    28,354.08x = 39,068.88 × 19,403.04
  4. Step 4: Simplify right side
    28,354.08x = 758,055,041.40
  5. Step 5: Solve for x
    x = 758,055,041.40/28,354.08
  6. Step 6: Final answer
    x = 26,735.31

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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.