Home / 22,457.28-31,004.37-19,966.35

Finding the Fourth Proportional to 22,457.28, 31,004.37 and 19,966.35

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Solution

The fourth proportional to 22,457.28, 31,004.37 and 19,966.35 is: 27,565.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,457.28 : 31,004.37 = 19,966.35 : x
  2. Step 2: Convert to fraction form
    22,457.28/31,004.37 = 19,966.35/x
  3. Step 3: Cross multiply
    22,457.28x = 31,004.37 × 19,966.35
  4. Step 4: Simplify right side
    22,457.28x = 619,044,102.95
  5. Step 5: Solve for x
    x = 619,044,102.95/22,457.28
  6. Step 6: Final answer
    x = 27,565.41

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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.