Home / 28,048.38-38,707.49-15,301.77

Finding the Fourth Proportional to 28,048.38, 38,707.49 and 15,301.77

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Solution

The fourth proportional to 28,048.38, 38,707.49 and 15,301.77 is: 21,116.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048.38 : 38,707.49 = 15,301.77 : x
  2. Step 2: Convert to fraction form
    28,048.38/38,707.49 = 15,301.77/x
  3. Step 3: Cross multiply
    28,048.38x = 38,707.49 × 15,301.77
  4. Step 4: Simplify right side
    28,048.38x = 592,293,109.26
  5. Step 5: Solve for x
    x = 592,293,109.26/28,048.38
  6. Step 6: Final answer
    x = 21,116.84

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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.