Home / 18,030.04-24,867.75-15,516.40

Finding the Fourth Proportional to 18,030.04, 24,867.75 and 15,516.40

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Solution

The fourth proportional to 18,030.04, 24,867.75 and 15,516.40 is: 21,400.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,030.04 : 24,867.75 = 15,516.40 : x
  2. Step 2: Convert to fraction form
    18,030.04/24,867.75 = 15,516.40/x
  3. Step 3: Cross multiply
    18,030.04x = 24,867.75 × 15,516.40
  4. Step 4: Simplify right side
    18,030.04x = 385,857,956.10
  5. Step 5: Solve for x
    x = 385,857,956.10/18,030.04
  6. Step 6: Final answer
    x = 21,400.84

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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.