Home / 38,076.40-52,617.72-28,628.56

Finding the Fourth Proportional to 38,076.40, 52,617.72 and 28,628.56

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Solution

The fourth proportional to 38,076.40, 52,617.72 and 28,628.56 is: 39,561.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,076.40 : 52,617.72 = 28,628.56 : x
  2. Step 2: Convert to fraction form
    38,076.40/52,617.72 = 28,628.56/x
  3. Step 3: Cross multiply
    38,076.40x = 52,617.72 × 28,628.56
  4. Step 4: Simplify right side
    38,076.40x = 1,506,369,554.08
  5. Step 5: Solve for x
    x = 1,506,369,554.08/38,076.40
  6. Step 6: Final answer
    x = 39,561.76

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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.