Home / 23,312.43-32,176.13-15,355.35

Finding the Fourth Proportional to 23,312.43, 32,176.13 and 15,355.35

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Solution

The fourth proportional to 23,312.43, 32,176.13 and 15,355.35 is: 21,193.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,312.43 : 32,176.13 = 15,355.35 : x
  2. Step 2: Convert to fraction form
    23,312.43/32,176.13 = 15,355.35/x
  3. Step 3: Cross multiply
    23,312.43x = 32,176.13 × 15,355.35
  4. Step 4: Simplify right side
    23,312.43x = 494,075,661.02
  5. Step 5: Solve for x
    x = 494,075,661.02/23,312.43
  6. Step 6: Final answer
    x = 21,193.66

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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.