Home / 28,048.98-38,707.71-15,302.45

Finding the Fourth Proportional to 28,048.98, 38,707.71 and 15,302.45

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Solution

The fourth proportional to 28,048.98, 38,707.71 and 15,302.45 is: 21,117.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048.98 : 38,707.71 = 15,302.45 : x
  2. Step 2: Convert to fraction form
    28,048.98/38,707.71 = 15,302.45/x
  3. Step 3: Cross multiply
    28,048.98x = 38,707.71 × 15,302.45
  4. Step 4: Simplify right side
    28,048.98x = 592,322,836.27
  5. Step 5: Solve for x
    x = 592,322,836.27/28,048.98
  6. Step 6: Final answer
    x = 21,117.44

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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.