Home / 28,707.84-39,607.02-17,945.34

Finding the Fourth Proportional to 28,707.84, 39,607.02 and 17,945.34

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Solution

The fourth proportional to 28,707.84, 39,607.02 and 17,945.34 is: 24,758.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,707.84 : 39,607.02 = 17,945.34 : x
  2. Step 2: Convert to fraction form
    28,707.84/39,607.02 = 17,945.34/x
  3. Step 3: Cross multiply
    28,707.84x = 39,607.02 × 17,945.34
  4. Step 4: Simplify right side
    28,707.84x = 710,761,440.29
  5. Step 5: Solve for x
    x = 710,761,440.29/28,707.84
  6. Step 6: Final answer
    x = 24,758.44

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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.