Home / 28,312.50-39,065.48-16,371.48

Finding the Fourth Proportional to 28,312.50, 39,065.48 and 16,371.48

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Solution

The fourth proportional to 28,312.50, 39,065.48 and 16,371.48 is: 22,589.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,312.50 : 39,065.48 = 16,371.48 : x
  2. Step 2: Convert to fraction form
    28,312.50/39,065.48 = 16,371.48/x
  3. Step 3: Cross multiply
    28,312.50x = 39,065.48 × 16,371.48
  4. Step 4: Simplify right side
    28,312.50x = 639,559,724.51
  5. Step 5: Solve for x
    x = 639,559,724.51/28,312.50
  6. Step 6: Final answer
    x = 22,589.31

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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.