Home / 26,720.04-36,870.45-15,393.24

Finding the Fourth Proportional to 26,720.04, 36,870.45 and 15,393.24

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Solution

The fourth proportional to 26,720.04, 36,870.45 and 15,393.24 is: 21,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,720.04 : 36,870.45 = 15,393.24 : x
  2. Step 2: Convert to fraction form
    26,720.04/36,870.45 = 15,393.24/x
  3. Step 3: Cross multiply
    26,720.04x = 36,870.45 × 15,393.24
  4. Step 4: Simplify right side
    26,720.04x = 567,555,685.76
  5. Step 5: Solve for x
    x = 567,555,685.76/26,720.04
  6. Step 6: Final answer
    x = 21,240.82

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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.