Home / 22,860.63-31,556.39-14,904.81

Finding the Fourth Proportional to 22,860.63, 31,556.39 and 14,904.81

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Solution

The fourth proportional to 22,860.63, 31,556.39 and 14,904.81 is: 20,574.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,860.63 : 31,556.39 = 14,904.81 : x
  2. Step 2: Convert to fraction form
    22,860.63/31,556.39 = 14,904.81/x
  3. Step 3: Cross multiply
    22,860.63x = 31,556.39 × 14,904.81
  4. Step 4: Simplify right side
    22,860.63x = 470,341,922.71
  5. Step 5: Solve for x
    x = 470,341,922.71/22,860.63
  6. Step 6: Final answer
    x = 20,574.32

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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.