Home / 28,798.65-39,735.18-16,223.40

Finding the Fourth Proportional to 28,798.65, 39,735.18 and 16,223.40

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Solution

The fourth proportional to 28,798.65, 39,735.18 and 16,223.40 is: 22,384.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,798.65 : 39,735.18 = 16,223.40 : x
  2. Step 2: Convert to fraction form
    28,798.65/39,735.18 = 16,223.40/x
  3. Step 3: Cross multiply
    28,798.65x = 39,735.18 × 16,223.40
  4. Step 4: Simplify right side
    28,798.65x = 644,639,719.21
  5. Step 5: Solve for x
    x = 644,639,719.21/28,798.65
  6. Step 6: Final answer
    x = 22,384.37

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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.