Home / 21,376.06-32,070.57-15,148.11

Finding the Fourth Proportional to 21,376.06, 32,070.57 and 15,148.11

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Solution

The fourth proportional to 21,376.06, 32,070.57 and 15,148.11 is: 22,726.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376.06 : 32,070.57 = 15,148.11 : x
  2. Step 2: Convert to fraction form
    21,376.06/32,070.57 = 15,148.11/x
  3. Step 3: Cross multiply
    21,376.06x = 32,070.57 × 15,148.11
  4. Step 4: Simplify right side
    21,376.06x = 485,808,522.12
  5. Step 5: Solve for x
    x = 485,808,522.12/21,376.06
  6. Step 6: Final answer
    x = 22,726.76

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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.