Home / 27,970.43-42,108.74-25,520.99

Finding the Fourth Proportional to 27,970.43, 42,108.74 and 25,520.99

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Solution

The fourth proportional to 27,970.43, 42,108.74 and 25,520.99 is: 38,421.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,970.43 : 42,108.74 = 25,520.99 : x
  2. Step 2: Convert to fraction form
    27,970.43/42,108.74 = 25,520.99/x
  3. Step 3: Cross multiply
    27,970.43x = 42,108.74 × 25,520.99
  4. Step 4: Simplify right side
    27,970.43x = 1,074,656,490.01
  5. Step 5: Solve for x
    x = 1,074,656,490.01/27,970.43
  6. Step 6: Final answer
    x = 38,421.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.