Home / 18,289.12-25,088.84-17,802.40

Finding the Fourth Proportional to 18,289.12, 25,088.84 and 17,802.40

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Solution

The fourth proportional to 18,289.12, 25,088.84 and 17,802.40 is: 24,421.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.12 : 25,088.84 = 17,802.40 : x
  2. Step 2: Convert to fraction form
    18,289.12/25,088.84 = 17,802.40/x
  3. Step 3: Cross multiply
    18,289.12x = 25,088.84 × 17,802.40
  4. Step 4: Simplify right side
    18,289.12x = 446,641,565.22
  5. Step 5: Solve for x
    x = 446,641,565.22/18,289.12
  6. Step 6: Final answer
    x = 24,421.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.