Home / 28,007.61-38,648.69-16,677.93

Finding the Fourth Proportional to 28,007.61, 38,648.69 and 16,677.93

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Solution

The fourth proportional to 28,007.61, 38,648.69 and 16,677.93 is: 23,014.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,007.61 : 38,648.69 = 16,677.93 : x
  2. Step 2: Convert to fraction form
    28,007.61/38,648.69 = 16,677.93/x
  3. Step 3: Cross multiply
    28,007.61x = 38,648.69 × 16,677.93
  4. Step 4: Simplify right side
    28,007.61x = 644,580,364.31
  5. Step 5: Solve for x
    x = 644,580,364.31/28,007.61
  6. Step 6: Final answer
    x = 23,014.48

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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.