Home / 28,417.24-39,217.93-16,480.47

Finding the Fourth Proportional to 28,417.24, 39,217.93 and 16,480.47

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Solution

The fourth proportional to 28,417.24, 39,217.93 and 16,480.47 is: 22,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,417.24 : 39,217.93 = 16,480.47 : x
  2. Step 2: Convert to fraction form
    28,417.24/39,217.93 = 16,480.47/x
  3. Step 3: Cross multiply
    28,417.24x = 39,217.93 × 16,480.47
  4. Step 4: Simplify right side
    28,417.24x = 646,329,918.83
  5. Step 5: Solve for x
    x = 646,329,918.83/28,417.24
  6. Step 6: Final answer
    x = 22,744.29

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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.