Home / 28,217.17-42,332.73-19,913.41

Finding the Fourth Proportional to 28,217.17, 42,332.73 and 19,913.41

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Solution

The fourth proportional to 28,217.17, 42,332.73 and 19,913.41 is: 29,875.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,217.17 : 42,332.73 = 19,913.41 : x
  2. Step 2: Convert to fraction form
    28,217.17/42,332.73 = 19,913.41/x
  3. Step 3: Cross multiply
    28,217.17x = 42,332.73 × 19,913.41
  4. Step 4: Simplify right side
    28,217.17x = 842,989,008.91
  5. Step 5: Solve for x
    x = 842,989,008.91/28,217.17
  6. Step 6: Final answer
    x = 29,875.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.