Home / 28,705.51-39,617.27-16,130.26

Finding the Fourth Proportional to 28,705.51, 39,617.27 and 16,130.26

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Solution

The fourth proportional to 28,705.51, 39,617.27 and 16,130.26 is: 22,261.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,705.51 : 39,617.27 = 16,130.26 : x
  2. Step 2: Convert to fraction form
    28,705.51/39,617.27 = 16,130.26/x
  3. Step 3: Cross multiply
    28,705.51x = 39,617.27 × 16,130.26
  4. Step 4: Simplify right side
    28,705.51x = 639,036,865.59
  5. Step 5: Solve for x
    x = 639,036,865.59/28,705.51
  6. Step 6: Final answer
    x = 22,261.82

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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.