Home / 23,320.72-32,103.93-21,075.76

Finding the Fourth Proportional to 23,320.72, 32,103.93 and 21,075.76

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Solution

The fourth proportional to 23,320.72, 32,103.93 and 21,075.76 is: 29,013.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,320.72 : 32,103.93 = 21,075.76 : x
  2. Step 2: Convert to fraction form
    23,320.72/32,103.93 = 21,075.76/x
  3. Step 3: Cross multiply
    23,320.72x = 32,103.93 × 21,075.76
  4. Step 4: Simplify right side
    23,320.72x = 676,614,723.74
  5. Step 5: Solve for x
    x = 676,614,723.74/23,320.72
  6. Step 6: Final answer
    x = 29,013.46

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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.