Home / 19,748.66-29,368.98-19,125.72

Finding the Fourth Proportional to 19,748.66, 29,368.98 and 19,125.72

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Solution

The fourth proportional to 19,748.66, 29,368.98 and 19,125.72 is: 28,442.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,748.66 : 29,368.98 = 19,125.72 : x
  2. Step 2: Convert to fraction form
    19,748.66/29,368.98 = 19,125.72/x
  3. Step 3: Cross multiply
    19,748.66x = 29,368.98 × 19,125.72
  4. Step 4: Simplify right side
    19,748.66x = 561,702,888.17
  5. Step 5: Solve for x
    x = 561,702,888.17/19,748.66
  6. Step 6: Final answer
    x = 28,442.59

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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.