Home / 27,401.04-37,809.65-15,300.05

Finding the Fourth Proportional to 27,401.04, 37,809.65 and 15,300.05

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Solution

The fourth proportional to 27,401.04, 37,809.65 and 15,300.05 is: 21,111.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,401.04 : 37,809.65 = 15,300.05 : x
  2. Step 2: Convert to fraction form
    27,401.04/37,809.65 = 15,300.05/x
  3. Step 3: Cross multiply
    27,401.04x = 37,809.65 × 15,300.05
  4. Step 4: Simplify right side
    27,401.04x = 578,489,440.41
  5. Step 5: Solve for x
    x = 578,489,440.41/27,401.04
  6. Step 6: Final answer
    x = 21,111.95

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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.