Home / 27,271.04-40,875.84-13,429.76

Finding the Fourth Proportional to 27,271.04, 40,875.84 and 13,429.76

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Solution

The fourth proportional to 27,271.04, 40,875.84 and 13,429.76 is: 20,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,271.04 : 40,875.84 = 13,429.76 : x
  2. Step 2: Convert to fraction form
    27,271.04/40,875.84 = 13,429.76/x
  3. Step 3: Cross multiply
    27,271.04x = 40,875.84 × 13,429.76
  4. Step 4: Simplify right side
    27,271.04x = 548,952,721.00
  5. Step 5: Solve for x
    x = 548,952,721.00/27,271.04
  6. Step 6: Final answer
    x = 20,129.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.