Home / 28,400.16-42,812.88-26,497.20

Finding the Fourth Proportional to 28,400.16, 42,812.88 and 26,497.20

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Solution

The fourth proportional to 28,400.16, 42,812.88 and 26,497.20 is: 39,944.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,400.16 : 42,812.88 = 26,497.20 : x
  2. Step 2: Convert to fraction form
    28,400.16/42,812.88 = 26,497.20/x
  3. Step 3: Cross multiply
    28,400.16x = 42,812.88 × 26,497.20
  4. Step 4: Simplify right side
    28,400.16x = 1,134,421,443.94
  5. Step 5: Solve for x
    x = 1,134,421,443.94/28,400.16
  6. Step 6: Final answer
    x = 39,944.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.