Home / 20,025.10-30,038.28-6,877.30

Finding the Fourth Proportional to 20,025.10, 30,038.28 and 6,877.30

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Solution

The fourth proportional to 20,025.10, 30,038.28 and 6,877.30 is: 10,316.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.10 : 30,038.28 = 6,877.30 : x
  2. Step 2: Convert to fraction form
    20,025.10/30,038.28 = 6,877.30/x
  3. Step 3: Cross multiply
    20,025.10x = 30,038.28 × 6,877.30
  4. Step 4: Simplify right side
    20,025.10x = 206,582,263.04
  5. Step 5: Solve for x
    x = 206,582,263.04/20,025.10
  6. Step 6: Final answer
    x = 10,316.17

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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.