Home / 28,612.31-39,484.80-16,037.06

Finding the Fourth Proportional to 28,612.31, 39,484.80 and 16,037.06

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Solution

The fourth proportional to 28,612.31, 39,484.80 and 16,037.06 is: 22,131.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,612.31 : 39,484.80 = 16,037.06 : x
  2. Step 2: Convert to fraction form
    28,612.31/39,484.80 = 16,037.06/x
  3. Step 3: Cross multiply
    28,612.31x = 39,484.80 × 16,037.06
  4. Step 4: Simplify right side
    28,612.31x = 633,219,909.26
  5. Step 5: Solve for x
    x = 633,219,909.26/28,612.31
  6. Step 6: Final answer
    x = 22,131.03

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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.