Home / 20,607.84-28,513.80-17,960.76

Finding the Fourth Proportional to 20,607.84, 28,513.80 and 17,960.76

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Solution

The fourth proportional to 20,607.84, 28,513.80 and 17,960.76 is: 24,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,607.84 : 28,513.80 = 17,960.76 : x
  2. Step 2: Convert to fraction form
    20,607.84/28,513.80 = 17,960.76/x
  3. Step 3: Cross multiply
    20,607.84x = 28,513.80 × 17,960.76
  4. Step 4: Simplify right side
    20,607.84x = 512,129,518.49
  5. Step 5: Solve for x
    x = 512,129,518.49/20,607.84
  6. Step 6: Final answer
    x = 24,851.20

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Half scale
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Double scale
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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.