Home / 28,772.65-39,638.19-27,443.98

Finding the Fourth Proportional to 28,772.65, 39,638.19 and 27,443.98

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Solution

The fourth proportional to 28,772.65, 39,638.19 and 27,443.98 is: 37,807.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,772.65 : 39,638.19 = 27,443.98 : x
  2. Step 2: Convert to fraction form
    28,772.65/39,638.19 = 27,443.98/x
  3. Step 3: Cross multiply
    28,772.65x = 39,638.19 × 27,443.98
  4. Step 4: Simplify right side
    28,772.65x = 1,087,829,693.60
  5. Step 5: Solve for x
    x = 1,087,829,693.60/28,772.65
  6. Step 6: Final answer
    x = 37,807.77

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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.