Home / 17,603.16-26,341.83-15,290.40

Finding the Fourth Proportional to 17,603.16, 26,341.83 and 15,290.40

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Solution

The fourth proportional to 17,603.16, 26,341.83 and 15,290.40 is: 22,880.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,603.16 : 26,341.83 = 15,290.40 : x
  2. Step 2: Convert to fraction form
    17,603.16/26,341.83 = 15,290.40/x
  3. Step 3: Cross multiply
    17,603.16x = 26,341.83 × 15,290.40
  4. Step 4: Simplify right side
    17,603.16x = 402,777,117.43
  5. Step 5: Solve for x
    x = 402,777,117.43/17,603.16
  6. Step 6: Final answer
    x = 22,880.96

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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.