Home / 28,461.33-42,693.21-14,428.08

Finding the Fourth Proportional to 28,461.33, 42,693.21 and 14,428.08

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Solution

The fourth proportional to 28,461.33, 42,693.21 and 14,428.08 is: 21,642.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,461.33 : 42,693.21 = 14,428.08 : x
  2. Step 2: Convert to fraction form
    28,461.33/42,693.21 = 14,428.08/x
  3. Step 3: Cross multiply
    28,461.33x = 42,693.21 × 14,428.08
  4. Step 4: Simplify right side
    28,461.33x = 615,981,049.34
  5. Step 5: Solve for x
    x = 615,981,049.34/28,461.33
  6. Step 6: Final answer
    x = 21,642.74

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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.