Home / 22,477.62-31,030.79-16,421.07

Finding the Fourth Proportional to 22,477.62, 31,030.79 and 16,421.07

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Solution

The fourth proportional to 22,477.62, 31,030.79 and 16,421.07 is: 22,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,477.62 : 31,030.79 = 16,421.07 : x
  2. Step 2: Convert to fraction form
    22,477.62/31,030.79 = 16,421.07/x
  3. Step 3: Cross multiply
    22,477.62x = 31,030.79 × 16,421.07
  4. Step 4: Simplify right side
    22,477.62x = 509,558,692.64
  5. Step 5: Solve for x
    x = 509,558,692.64/22,477.62
  6. Step 6: Final answer
    x = 22,669.60

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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.