Home / 52,580.72-72,561.51-28,707.40

Finding the Fourth Proportional to 52,580.72, 72,561.51 and 28,707.40

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Solution

The fourth proportional to 52,580.72, 72,561.51 and 28,707.40 is: 39,616.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,580.72 : 72,561.51 = 28,707.40 : x
  2. Step 2: Convert to fraction form
    52,580.72/72,561.51 = 28,707.40/x
  3. Step 3: Cross multiply
    52,580.72x = 72,561.51 × 28,707.40
  4. Step 4: Simplify right side
    52,580.72x = 2,083,052,292.17
  5. Step 5: Solve for x
    x = 2,083,052,292.17/52,580.72
  6. Step 6: Final answer
    x = 39,616.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.