Home / 21,612.48-32,423.58-15,637.11

Finding the Fourth Proportional to 21,612.48, 32,423.58 and 15,637.11

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Solution

The fourth proportional to 21,612.48, 32,423.58 and 15,637.11 is: 23,459.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,612.48 : 32,423.58 = 15,637.11 : x
  2. Step 2: Convert to fraction form
    21,612.48/32,423.58 = 15,637.11/x
  3. Step 3: Cross multiply
    21,612.48x = 32,423.58 × 15,637.11
  4. Step 4: Simplify right side
    21,612.48x = 507,011,087.05
  5. Step 5: Solve for x
    x = 507,011,087.05/21,612.48
  6. Step 6: Final answer
    x = 23,459.18

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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.