Home / 28,295.64-39,048.60-15,548.94

Finding the Fourth Proportional to 28,295.64, 39,048.60 and 15,548.94

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Solution

The fourth proportional to 28,295.64, 39,048.60 and 15,548.94 is: 21,457.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295.64 : 39,048.60 = 15,548.94 : x
  2. Step 2: Convert to fraction form
    28,295.64/39,048.60 = 15,548.94/x
  3. Step 3: Cross multiply
    28,295.64x = 39,048.60 × 15,548.94
  4. Step 4: Simplify right side
    28,295.64x = 607,164,338.48
  5. Step 5: Solve for x
    x = 607,164,338.48/28,295.64
  6. Step 6: Final answer
    x = 21,457.88

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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.