Home / 28,228.10-38,955.33-16,292.07

Finding the Fourth Proportional to 28,228.10, 38,955.33 and 16,292.07

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Solution

The fourth proportional to 28,228.10, 38,955.33 and 16,292.07 is: 22,483.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,228.10 : 38,955.33 = 16,292.07 : x
  2. Step 2: Convert to fraction form
    28,228.10/38,955.33 = 16,292.07/x
  3. Step 3: Cross multiply
    28,228.10x = 38,955.33 × 16,292.07
  4. Step 4: Simplify right side
    28,228.10x = 634,662,963.23
  5. Step 5: Solve for x
    x = 634,662,963.23/28,228.10
  6. Step 6: Final answer
    x = 22,483.38

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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.