Home / 28,807.65-39,772.91-23,515.05

Finding the Fourth Proportional to 28,807.65, 39,772.91 and 23,515.05

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Solution

The fourth proportional to 28,807.65, 39,772.91 and 23,515.05 is: 32,465.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,807.65 : 39,772.91 = 23,515.05 : x
  2. Step 2: Convert to fraction form
    28,807.65/39,772.91 = 23,515.05/x
  3. Step 3: Cross multiply
    28,807.65x = 39,772.91 × 23,515.05
  4. Step 4: Simplify right side
    28,807.65x = 935,261,849.72
  5. Step 5: Solve for x
    x = 935,261,849.72/28,807.65
  6. Step 6: Final answer
    x = 32,465.75

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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.