Home / 28,502.69-42,754.76-13,506.29

Finding the Fourth Proportional to 28,502.69, 42,754.76 and 13,506.29

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Solution

The fourth proportional to 28,502.69, 42,754.76 and 13,506.29 is: 20,259.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,502.69 : 42,754.76 = 13,506.29 : x
  2. Step 2: Convert to fraction form
    28,502.69/42,754.76 = 13,506.29/x
  3. Step 3: Cross multiply
    28,502.69x = 42,754.76 × 13,506.29
  4. Step 4: Simplify right side
    28,502.69x = 577,457,906.14
  5. Step 5: Solve for x
    x = 577,457,906.14/28,502.69
  6. Step 6: Final answer
    x = 20,259.77

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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.