Home / 19,465.88-26,831.36-15,209.50

Finding the Fourth Proportional to 19,465.88, 26,831.36 and 15,209.50

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Solution

The fourth proportional to 19,465.88, 26,831.36 and 15,209.50 is: 20,964.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,465.88 : 26,831.36 = 15,209.50 : x
  2. Step 2: Convert to fraction form
    19,465.88/26,831.36 = 15,209.50/x
  3. Step 3: Cross multiply
    19,465.88x = 26,831.36 × 15,209.50
  4. Step 4: Simplify right side
    19,465.88x = 408,091,569.92
  5. Step 5: Solve for x
    x = 408,091,569.92/19,465.88
  6. Step 6: Final answer
    x = 20,964.46

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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.