Home / 27,984.58-42,038.47-16,897.86

Finding the Fourth Proportional to 27,984.58, 42,038.47 and 16,897.86

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Solution

The fourth proportional to 27,984.58, 42,038.47 and 16,897.86 is: 25,383.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,984.58 : 42,038.47 = 16,897.86 : x
  2. Step 2: Convert to fraction form
    27,984.58/42,038.47 = 16,897.86/x
  3. Step 3: Cross multiply
    27,984.58x = 42,038.47 × 16,897.86
  4. Step 4: Simplify right side
    27,984.58x = 710,360,180.67
  5. Step 5: Solve for x
    x = 710,360,180.67/27,984.58
  6. Step 6: Final answer
    x = 25,383.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.