Home / 23,420.84-32,320.34-12,810.24

Finding the Fourth Proportional to 23,420.84, 32,320.34 and 12,810.24

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Solution

The fourth proportional to 23,420.84, 32,320.34 and 12,810.24 is: 17,677.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,420.84 : 32,320.34 = 12,810.24 : x
  2. Step 2: Convert to fraction form
    23,420.84/32,320.34 = 12,810.24/x
  3. Step 3: Cross multiply
    23,420.84x = 32,320.34 × 12,810.24
  4. Step 4: Simplify right side
    23,420.84x = 414,031,312.28
  5. Step 5: Solve for x
    x = 414,031,312.28/23,420.84
  6. Step 6: Final answer
    x = 17,677.91

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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.