Home / 28,058,417.70-42,087,626.55-17,240,640.90

Finding the Fourth Proportional to 28,058,417.70, 42,087,626.55 and 17,240,640.90

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Solution

The fourth proportional to 28,058,417.70, 42,087,626.55 and 17,240,640.90 is: 25,860,961.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,058,417.70 : 42,087,626.55 = 17,240,640.90 : x
  2. Step 2: Convert to fraction form
    28,058,417.70/42,087,626.55 = 17,240,640.90/x
  3. Step 3: Cross multiply
    28,058,417.70x = 42,087,626.55 × 17,240,640.90
  4. Step 4: Simplify right side
    28,058,417.70x = 725,617,655,681,855.75
  5. Step 5: Solve for x
    x = 725,617,655,681,855.75/28,058,417.70
  6. Step 6: Final answer
    x = 25,860,961.35

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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.