Home / 28,708.81-39,615.44-16,607.35

Finding the Fourth Proportional to 28,708.81, 39,615.44 and 16,607.35

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Solution

The fourth proportional to 28,708.81, 39,615.44 and 16,607.35 is: 22,916.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,708.81 : 39,615.44 = 16,607.35 : x
  2. Step 2: Convert to fraction form
    28,708.81/39,615.44 = 16,607.35/x
  3. Step 3: Cross multiply
    28,708.81x = 39,615.44 × 16,607.35
  4. Step 4: Simplify right side
    28,708.81x = 657,907,419.96
  5. Step 5: Solve for x
    x = 657,907,419.96/28,708.81
  6. Step 6: Final answer
    x = 22,916.57

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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.