Home / 26,931.42-37,159.70-15,600.21

Finding the Fourth Proportional to 26,931.42, 37,159.70 and 15,600.21

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Solution

The fourth proportional to 26,931.42, 37,159.70 and 15,600.21 is: 21,525.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,931.42 : 37,159.70 = 15,600.21 : x
  2. Step 2: Convert to fraction form
    26,931.42/37,159.70 = 15,600.21/x
  3. Step 3: Cross multiply
    26,931.42x = 37,159.70 × 15,600.21
  4. Step 4: Simplify right side
    26,931.42x = 579,699,045.54
  5. Step 5: Solve for x
    x = 579,699,045.54/26,931.42
  6. Step 6: Final answer
    x = 21,525.01

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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.