Home / 28,068.83-38,735.93-15,322.77

Finding the Fourth Proportional to 28,068.83, 38,735.93 and 15,322.77

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Solution

The fourth proportional to 28,068.83, 38,735.93 and 15,322.77 is: 21,145.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068.83 : 38,735.93 = 15,322.77 : x
  2. Step 2: Convert to fraction form
    28,068.83/38,735.93 = 15,322.77/x
  3. Step 3: Cross multiply
    28,068.83x = 38,735.93 × 15,322.77
  4. Step 4: Simplify right side
    28,068.83x = 593,541,746.13
  5. Step 5: Solve for x
    x = 593,541,746.13/28,068.83
  6. Step 6: Final answer
    x = 21,145.94

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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.