Home / 28,574.60-42,740.40-25,634.30

Finding the Fourth Proportional to 28,574.60, 42,740.40 and 25,634.30

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Solution

The fourth proportional to 28,574.60, 42,740.40 and 25,634.30 is: 38,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,574.60 : 42,740.40 = 25,634.30 : x
  2. Step 2: Convert to fraction form
    28,574.60/42,740.40 = 25,634.30/x
  3. Step 3: Cross multiply
    28,574.60x = 42,740.40 × 25,634.30
  4. Step 4: Simplify right side
    28,574.60x = 1,095,620,235.72
  5. Step 5: Solve for x
    x = 1,095,620,235.72/28,574.60
  6. Step 6: Final answer
    x = 38,342.45

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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.