Home / 28,490.67-42,726.29-10,966.59

Finding the Fourth Proportional to 28,490.67, 42,726.29 and 10,966.59

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Solution

The fourth proportional to 28,490.67, 42,726.29 and 10,966.59 is: 16,446.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,490.67 : 42,726.29 = 10,966.59 : x
  2. Step 2: Convert to fraction form
    28,490.67/42,726.29 = 10,966.59/x
  3. Step 3: Cross multiply
    28,490.67x = 42,726.29 × 10,966.59
  4. Step 4: Simplify right side
    28,490.67x = 468,561,649.82
  5. Step 5: Solve for x
    x = 468,561,649.82/28,490.67
  6. Step 6: Final answer
    x = 16,446.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.