Home / 28,600.80-42,901.20-23,643.60

Finding the Fourth Proportional to 28,600.80, 42,901.20 and 23,643.60

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Solution

The fourth proportional to 28,600.80, 42,901.20 and 23,643.60 is: 35,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,600.80 : 42,901.20 = 23,643.60 : x
  2. Step 2: Convert to fraction form
    28,600.80/42,901.20 = 23,643.60/x
  3. Step 3: Cross multiply
    28,600.80x = 42,901.20 × 23,643.60
  4. Step 4: Simplify right side
    28,600.80x = 1,014,338,812.32
  5. Step 5: Solve for x
    x = 1,014,338,812.32/28,600.80
  6. Step 6: Final answer
    x = 35,465.40

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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.