Home / 28,559.36-39,466.14-21,473.48

Finding the Fourth Proportional to 28,559.36, 39,466.14 and 21,473.48

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Solution

The fourth proportional to 28,559.36, 39,466.14 and 21,473.48 is: 29,674.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,559.36 : 39,466.14 = 21,473.48 : x
  2. Step 2: Convert to fraction form
    28,559.36/39,466.14 = 21,473.48/x
  3. Step 3: Cross multiply
    28,559.36x = 39,466.14 × 21,473.48
  4. Step 4: Simplify right side
    28,559.36x = 847,475,386.11
  5. Step 5: Solve for x
    x = 847,475,386.11/28,559.36
  6. Step 6: Final answer
    x = 29,674.17

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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.