Home / 28,798.68-39,740.90-16,053.25

Finding the Fourth Proportional to 28,798.68, 39,740.90 and 16,053.25

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Solution

The fourth proportional to 28,798.68, 39,740.90 and 16,053.25 is: 22,152.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,798.68 : 39,740.90 = 16,053.25 : x
  2. Step 2: Convert to fraction form
    28,798.68/39,740.90 = 16,053.25/x
  3. Step 3: Cross multiply
    28,798.68x = 39,740.90 × 16,053.25
  4. Step 4: Simplify right side
    28,798.68x = 637,970,602.93
  5. Step 5: Solve for x
    x = 637,970,602.93/28,798.68
  6. Step 6: Final answer
    x = 22,152.77

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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.