Home / 28,554.76-42,807.50-13,743.28

Finding the Fourth Proportional to 28,554.76, 42,807.50 and 13,743.28

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Solution

The fourth proportional to 28,554.76, 42,807.50 and 13,743.28 is: 20,603.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,554.76 : 42,807.50 = 13,743.28 : x
  2. Step 2: Convert to fraction form
    28,554.76/42,807.50 = 13,743.28/x
  3. Step 3: Cross multiply
    28,554.76x = 42,807.50 × 13,743.28
  4. Step 4: Simplify right side
    28,554.76x = 588,315,458.60
  5. Step 5: Solve for x
    x = 588,315,458.60/28,554.76
  6. Step 6: Final answer
    x = 20,603.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.