Home / 28,060.29-38,722.19-15,484.77

Finding the Fourth Proportional to 28,060.29, 38,722.19 and 15,484.77

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Solution

The fourth proportional to 28,060.29, 38,722.19 and 15,484.77 is: 21,368.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,060.29 : 38,722.19 = 15,484.77 : x
  2. Step 2: Convert to fraction form
    28,060.29/38,722.19 = 15,484.77/x
  3. Step 3: Cross multiply
    28,060.29x = 38,722.19 × 15,484.77
  4. Step 4: Simplify right side
    28,060.29x = 599,604,128.62
  5. Step 5: Solve for x
    x = 599,604,128.62/28,060.29
  6. Step 6: Final answer
    x = 21,368.42

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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.