Home / 28,951.44-39,937.77-18,875.58

Finding the Fourth Proportional to 28,951.44, 39,937.77 and 18,875.58

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Solution

The fourth proportional to 28,951.44, 39,937.77 and 18,875.58 is: 26,038.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,951.44 : 39,937.77 = 18,875.58 : x
  2. Step 2: Convert to fraction form
    28,951.44/39,937.77 = 18,875.58/x
  3. Step 3: Cross multiply
    28,951.44x = 39,937.77 × 18,875.58
  4. Step 4: Simplify right side
    28,951.44x = 753,848,572.66
  5. Step 5: Solve for x
    x = 753,848,572.66/28,951.44
  6. Step 6: Final answer
    x = 26,038.38

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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.