Home / 27,430.40-37,859.20-16,102.40

Finding the Fourth Proportional to 27,430.40, 37,859.20 and 16,102.40

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Solution

The fourth proportional to 27,430.40, 37,859.20 and 16,102.40 is: 22,224.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,430.40 : 37,859.20 = 16,102.40 : x
  2. Step 2: Convert to fraction form
    27,430.40/37,859.20 = 16,102.40/x
  3. Step 3: Cross multiply
    27,430.40x = 37,859.20 × 16,102.40
  4. Step 4: Simplify right side
    27,430.40x = 609,623,982.08
  5. Step 5: Solve for x
    x = 609,623,982.08/27,430.40
  6. Step 6: Final answer
    x = 22,224.39

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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.