Home / 20,026.68-27,637.55-12,953.10

Finding the Fourth Proportional to 20,026.68, 27,637.55 and 12,953.10

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Solution

The fourth proportional to 20,026.68, 27,637.55 and 12,953.10 is: 17,875.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.68 : 27,637.55 = 12,953.10 : x
  2. Step 2: Convert to fraction form
    20,026.68/27,637.55 = 12,953.10/x
  3. Step 3: Cross multiply
    20,026.68x = 27,637.55 × 12,953.10
  4. Step 4: Simplify right side
    20,026.68x = 357,991,884.14
  5. Step 5: Solve for x
    x = 357,991,884.14/20,026.68
  6. Step 6: Final answer
    x = 17,875.75

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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.