Home / 28,557.40-42,816.90-15,232.60

Finding the Fourth Proportional to 28,557.40, 42,816.90 and 15,232.60

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Solution

The fourth proportional to 28,557.40, 42,816.90 and 15,232.60 is: 22,838.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,557.40 : 42,816.90 = 15,232.60 : x
  2. Step 2: Convert to fraction form
    28,557.40/42,816.90 = 15,232.60/x
  3. Step 3: Cross multiply
    28,557.40x = 42,816.90 × 15,232.60
  4. Step 4: Simplify right side
    28,557.40x = 652,212,710.94
  5. Step 5: Solve for x
    x = 652,212,710.94/28,557.40
  6. Step 6: Final answer
    x = 22,838.66

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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.