Home / 19,972.76-29,807.25-17,758.49

Finding the Fourth Proportional to 19,972.76, 29,807.25 and 17,758.49

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Solution

The fourth proportional to 19,972.76, 29,807.25 and 17,758.49 is: 26,502.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.76 : 29,807.25 = 17,758.49 : x
  2. Step 2: Convert to fraction form
    19,972.76/29,807.25 = 17,758.49/x
  3. Step 3: Cross multiply
    19,972.76x = 29,807.25 × 17,758.49
  4. Step 4: Simplify right side
    19,972.76x = 529,331,602.02
  5. Step 5: Solve for x
    x = 529,331,602.02/19,972.76
  6. Step 6: Final answer
    x = 26,502.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.