Home / 28,844.57-39,809.13-16,742.45

Finding the Fourth Proportional to 28,844.57, 39,809.13 and 16,742.45

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Solution

The fourth proportional to 28,844.57, 39,809.13 and 16,742.45 is: 23,106.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,844.57 : 39,809.13 = 16,742.45 : x
  2. Step 2: Convert to fraction form
    28,844.57/39,809.13 = 16,742.45/x
  3. Step 3: Cross multiply
    28,844.57x = 39,809.13 × 16,742.45
  4. Step 4: Simplify right side
    28,844.57x = 666,502,085.81
  5. Step 5: Solve for x
    x = 666,502,085.81/28,844.57
  6. Step 6: Final answer
    x = 23,106.68

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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.