Home / 28,592.04-39,455.88-15,845.77

Finding the Fourth Proportional to 28,592.04, 39,455.88 and 15,845.77

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Solution

The fourth proportional to 28,592.04, 39,455.88 and 15,845.77 is: 21,866.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,592.04 : 39,455.88 = 15,845.77 : x
  2. Step 2: Convert to fraction form
    28,592.04/39,455.88 = 15,845.77/x
  3. Step 3: Cross multiply
    28,592.04x = 39,455.88 × 15,845.77
  4. Step 4: Simplify right side
    28,592.04x = 625,208,720.40
  5. Step 5: Solve for x
    x = 625,208,720.40/28,592.04
  6. Step 6: Final answer
    x = 21,866.53

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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.