Home / 28,901.19-39,881.71-16,325.13

Finding the Fourth Proportional to 28,901.19, 39,881.71 and 16,325.13

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Solution

The fourth proportional to 28,901.19, 39,881.71 and 16,325.13 is: 22,527.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.19 : 39,881.71 = 16,325.13 : x
  2. Step 2: Convert to fraction form
    28,901.19/39,881.71 = 16,325.13/x
  3. Step 3: Cross multiply
    28,901.19x = 39,881.71 × 16,325.13
  4. Step 4: Simplify right side
    28,901.19x = 651,074,100.37
  5. Step 5: Solve for x
    x = 651,074,100.37/28,901.19
  6. Step 6: Final answer
    x = 22,527.59

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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.