Home / 28,785.69-39,724.83-16,038.18

Finding the Fourth Proportional to 28,785.69, 39,724.83 and 16,038.18

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Solution

The fourth proportional to 28,785.69, 39,724.83 and 16,038.18 is: 22,133.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,785.69 : 39,724.83 = 16,038.18 : x
  2. Step 2: Convert to fraction form
    28,785.69/39,724.83 = 16,038.18/x
  3. Step 3: Cross multiply
    28,785.69x = 39,724.83 × 16,038.18
  4. Step 4: Simplify right side
    28,785.69x = 637,113,974.01
  5. Step 5: Solve for x
    x = 637,113,974.01/28,785.69
  6. Step 6: Final answer
    x = 22,133.01

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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.