Home / 52,432.16-72,356-28,558.76

Finding the Fourth Proportional to 52,432.16, 72,356 and 28,558.76

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Solution

The fourth proportional to 52,432.16, 72,356 and 28,558.76 is: 39,410.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,432.16 : 72,356 = 28,558.76 : x
  2. Step 2: Convert to fraction form
    52,432.16/72,356 = 28,558.76/x
  3. Step 3: Cross multiply
    52,432.16x = 72,356 × 28,558.76
  4. Step 4: Simplify right side
    52,432.16x = 2,066,397,638.56
  5. Step 5: Solve for x
    x = 2,066,397,638.56/52,432.16
  6. Step 6: Final answer
    x = 39,410.88

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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.