Home / 28,541.16-42,776.08-13,747.32

Finding the Fourth Proportional to 28,541.16, 42,776.08 and 13,747.32

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Solution

The fourth proportional to 28,541.16, 42,776.08 and 13,747.32 is: 20,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541.16 : 42,776.08 = 13,747.32 : x
  2. Step 2: Convert to fraction form
    28,541.16/42,776.08 = 13,747.32/x
  3. Step 3: Cross multiply
    28,541.16x = 42,776.08 × 13,747.32
  4. Step 4: Simplify right side
    28,541.16x = 588,056,460.11
  5. Step 5: Solve for x
    x = 588,056,460.11/28,541.16
  6. Step 6: Final answer
    x = 20,603.80

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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.