Home / 42,363.60-58,436.40-28,023.84

Finding the Fourth Proportional to 42,363.60, 58,436.40 and 28,023.84

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Solution

The fourth proportional to 42,363.60, 58,436.40 and 28,023.84 is: 38,656.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,363.60 : 58,436.40 = 28,023.84 : x
  2. Step 2: Convert to fraction form
    42,363.60/58,436.40 = 28,023.84/x
  3. Step 3: Cross multiply
    42,363.60x = 58,436.40 × 28,023.84
  4. Step 4: Simplify right side
    42,363.60x = 1,637,612,323.78
  5. Step 5: Solve for x
    x = 1,637,612,323.78/42,363.60
  6. Step 6: Final answer
    x = 38,656.12

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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.