Home / 35,426.80-48,887.40-20,308.62

Finding the Fourth Proportional to 35,426.80, 48,887.40 and 20,308.62

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Solution

The fourth proportional to 35,426.80, 48,887.40 and 20,308.62 is: 28,024.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,426.80 : 48,887.40 = 20,308.62 : x
  2. Step 2: Convert to fraction form
    35,426.80/48,887.40 = 20,308.62/x
  3. Step 3: Cross multiply
    35,426.80x = 48,887.40 × 20,308.62
  4. Step 4: Simplify right side
    35,426.80x = 992,835,629.39
  5. Step 5: Solve for x
    x = 992,835,629.39/35,426.80
  6. Step 6: Final answer
    x = 28,024.99

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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.