Home / 26,859.76-37,064.30-15,529.98

Finding the Fourth Proportional to 26,859.76, 37,064.30 and 15,529.98

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Solution

The fourth proportional to 26,859.76, 37,064.30 and 15,529.98 is: 21,430.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,859.76 : 37,064.30 = 15,529.98 : x
  2. Step 2: Convert to fraction form
    26,859.76/37,064.30 = 15,529.98/x
  3. Step 3: Cross multiply
    26,859.76x = 37,064.30 × 15,529.98
  4. Step 4: Simplify right side
    26,859.76x = 575,607,837.71
  5. Step 5: Solve for x
    x = 575,607,837.71/26,859.76
  6. Step 6: Final answer
    x = 21,430.12

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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.