Home / 40,285.60-55,602.08-25,740.48

Finding the Fourth Proportional to 40,285.60, 55,602.08 and 25,740.48

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Solution

The fourth proportional to 40,285.60, 55,602.08 and 25,740.48 is: 35,526.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,285.60 : 55,602.08 = 25,740.48 : x
  2. Step 2: Convert to fraction form
    40,285.60/55,602.08 = 25,740.48/x
  3. Step 3: Cross multiply
    40,285.60x = 55,602.08 × 25,740.48
  4. Step 4: Simplify right side
    40,285.60x = 1,431,224,228.20
  5. Step 5: Solve for x
    x = 1,431,224,228.20/40,285.60
  6. Step 6: Final answer
    x = 35,526.94

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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.