Home / 28,785.06-39,723.23-16,038.39

Finding the Fourth Proportional to 28,785.06, 39,723.23 and 16,038.39

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Solution

The fourth proportional to 28,785.06, 39,723.23 and 16,038.39 is: 22,132.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,785.06 : 39,723.23 = 16,038.39 : x
  2. Step 2: Convert to fraction form
    28,785.06/39,723.23 = 16,038.39/x
  3. Step 3: Cross multiply
    28,785.06x = 39,723.23 × 16,038.39
  4. Step 4: Simplify right side
    28,785.06x = 637,096,574.61
  5. Step 5: Solve for x
    x = 637,096,574.61/28,785.06
  6. Step 6: Final answer
    x = 22,132.89

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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.