Home / 38,088.28-57,131.80-10,386.28

Finding the Fourth Proportional to 38,088.28, 57,131.80 and 10,386.28

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Solution

The fourth proportional to 38,088.28, 57,131.80 and 10,386.28 is: 15,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,088.28 : 57,131.80 = 10,386.28 : x
  2. Step 2: Convert to fraction form
    38,088.28/57,131.80 = 10,386.28/x
  3. Step 3: Cross multiply
    38,088.28x = 57,131.80 × 10,386.28
  4. Step 4: Simplify right side
    38,088.28x = 593,386,871.70
  5. Step 5: Solve for x
    x = 593,386,871.70/38,088.28
  6. Step 6: Final answer
    x = 15,579.25

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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.