Home / 38,318.28-57,425.02-28,950.63

Finding the Fourth Proportional to 38,318.28, 57,425.02 and 28,950.63

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Solution

The fourth proportional to 38,318.28, 57,425.02 and 28,950.63 is: 43,386.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,318.28 : 57,425.02 = 28,950.63 : x
  2. Step 2: Convert to fraction form
    38,318.28/57,425.02 = 28,950.63/x
  3. Step 3: Cross multiply
    38,318.28x = 57,425.02 × 28,950.63
  4. Step 4: Simplify right side
    38,318.28x = 1,662,490,219.04
  5. Step 5: Solve for x
    x = 1,662,490,219.04/38,318.28
  6. Step 6: Final answer
    x = 43,386.35

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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.