Home / 28,513.40-42,827.70-27,534.20

Finding the Fourth Proportional to 28,513.40, 42,827.70 and 27,534.20

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Solution

The fourth proportional to 28,513.40, 42,827.70 and 27,534.20 is: 41,356.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,513.40 : 42,827.70 = 27,534.20 : x
  2. Step 2: Convert to fraction form
    28,513.40/42,827.70 = 27,534.20/x
  3. Step 3: Cross multiply
    28,513.40x = 42,827.70 × 27,534.20
  4. Step 4: Simplify right side
    28,513.40x = 1,179,226,457.34
  5. Step 5: Solve for x
    x = 1,179,226,457.34/28,513.40
  6. Step 6: Final answer
    x = 41,356.92

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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.