Home / 28,802.68-39,742.87-16,053.07

Finding the Fourth Proportional to 28,802.68, 39,742.87 and 16,053.07

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Solution

The fourth proportional to 28,802.68, 39,742.87 and 16,053.07 is: 22,150.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,802.68 : 39,742.87 = 16,053.07 : x
  2. Step 2: Convert to fraction form
    28,802.68/39,742.87 = 16,053.07/x
  3. Step 3: Cross multiply
    28,802.68x = 39,742.87 × 16,053.07
  4. Step 4: Simplify right side
    28,802.68x = 637,995,074.11
  5. Step 5: Solve for x
    x = 637,995,074.11/28,802.68
  6. Step 6: Final answer
    x = 22,150.55

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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.