Home / 28,541-39,386.58-15,965.76

Finding the Fourth Proportional to 28,541, 39,386.58 and 15,965.76

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Solution

The fourth proportional to 28,541, 39,386.58 and 15,965.76 is: 22,032.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541 : 39,386.58 = 15,965.76 : x
  2. Step 2: Convert to fraction form
    28,541/39,386.58 = 15,965.76/x
  3. Step 3: Cross multiply
    28,541x = 39,386.58 × 15,965.76
  4. Step 4: Simplify right side
    28,541x = 628,836,683.50
  5. Step 5: Solve for x
    x = 628,836,683.50/28,541
  6. Step 6: Final answer
    x = 22,032.75

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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.