Home / 28,913.06-39,900.99-16,338.62

Finding the Fourth Proportional to 28,913.06, 39,900.99 and 16,338.62

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Solution

The fourth proportional to 28,913.06, 39,900.99 and 16,338.62 is: 22,547.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,913.06 : 39,900.99 = 16,338.62 : x
  2. Step 2: Convert to fraction form
    28,913.06/39,900.99 = 16,338.62/x
  3. Step 3: Cross multiply
    28,913.06x = 39,900.99 × 16,338.62
  4. Step 4: Simplify right side
    28,913.06x = 651,927,113.23
  5. Step 5: Solve for x
    x = 651,927,113.23/28,913.06
  6. Step 6: Final answer
    x = 22,547.84

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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.