Home / 21,034.92-29,030.08-14,670.76

Finding the Fourth Proportional to 21,034.92, 29,030.08 and 14,670.76

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Solution

The fourth proportional to 21,034.92, 29,030.08 and 14,670.76 is: 20,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,034.92 : 29,030.08 = 14,670.76 : x
  2. Step 2: Convert to fraction form
    21,034.92/29,030.08 = 14,670.76/x
  3. Step 3: Cross multiply
    21,034.92x = 29,030.08 × 14,670.76
  4. Step 4: Simplify right side
    21,034.92x = 425,893,336.46
  5. Step 5: Solve for x
    x = 425,893,336.46/21,034.92
  6. Step 6: Final answer
    x = 20,246.97

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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.