Home / 28,048.50-38,707.66-15,301.89

Finding the Fourth Proportional to 28,048.50, 38,707.66 and 15,301.89

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Solution

The fourth proportional to 28,048.50, 38,707.66 and 15,301.89 is: 21,117.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048.50 : 38,707.66 = 15,301.89 : x
  2. Step 2: Convert to fraction form
    28,048.50/38,707.66 = 15,301.89/x
  3. Step 3: Cross multiply
    28,048.50x = 38,707.66 × 15,301.89
  4. Step 4: Simplify right side
    28,048.50x = 592,300,374.60
  5. Step 5: Solve for x
    x = 592,300,374.60/28,048.50
  6. Step 6: Final answer
    x = 21,117.01

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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.