Home / 21,527.30-32,312.84-15,294.35

Finding the Fourth Proportional to 21,527.30, 32,312.84 and 15,294.35

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Solution

The fourth proportional to 21,527.30, 32,312.84 and 15,294.35 is: 22,957.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,527.30 : 32,312.84 = 15,294.35 : x
  2. Step 2: Convert to fraction form
    21,527.30/32,312.84 = 15,294.35/x
  3. Step 3: Cross multiply
    21,527.30x = 32,312.84 × 15,294.35
  4. Step 4: Simplify right side
    21,527.30x = 494,203,646.42
  5. Step 5: Solve for x
    x = 494,203,646.42/21,527.30
  6. Step 6: Final answer
    x = 22,957.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.