Home / 20,309.04-27,964.17-17,776.98

Finding the Fourth Proportional to 20,309.04, 27,964.17 and 17,776.98

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Solution

The fourth proportional to 20,309.04, 27,964.17 and 17,776.98 is: 24,477.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,309.04 : 27,964.17 = 17,776.98 : x
  2. Step 2: Convert to fraction form
    20,309.04/27,964.17 = 17,776.98/x
  3. Step 3: Cross multiply
    20,309.04x = 27,964.17 × 17,776.98
  4. Step 4: Simplify right side
    20,309.04x = 497,118,490.81
  5. Step 5: Solve for x
    x = 497,118,490.81/20,309.04
  6. Step 6: Final answer
    x = 24,477.70

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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.