Home / 28,063.60-38,728.67-15,963.77

Finding the Fourth Proportional to 28,063.60, 38,728.67 and 15,963.77

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Solution

The fourth proportional to 28,063.60, 38,728.67 and 15,963.77 is: 22,030.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,063.60 : 38,728.67 = 15,963.77 : x
  2. Step 2: Convert to fraction form
    28,063.60/38,728.67 = 15,963.77/x
  3. Step 3: Cross multiply
    28,063.60x = 38,728.67 × 15,963.77
  4. Step 4: Simplify right side
    28,063.60x = 618,255,597.29
  5. Step 5: Solve for x
    x = 618,255,597.29/28,063.60
  6. Step 6: Final answer
    x = 22,030.52

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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.