Home / 28,422.14-42,637.11-9,697.16

Finding the Fourth Proportional to 28,422.14, 42,637.11 and 9,697.16

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Solution

The fourth proportional to 28,422.14, 42,637.11 and 9,697.16 is: 14,547.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,422.14 : 42,637.11 = 9,697.16 : x
  2. Step 2: Convert to fraction form
    28,422.14/42,637.11 = 9,697.16/x
  3. Step 3: Cross multiply
    28,422.14x = 42,637.11 × 9,697.16
  4. Step 4: Simplify right side
    28,422.14x = 413,458,664.42
  5. Step 5: Solve for x
    x = 413,458,664.42/28,422.14
  6. Step 6: Final answer
    x = 14,547.07

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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.