Home / 58,150.40-87,225.60-28,587.20

Finding the Fourth Proportional to 58,150.40, 87,225.60 and 28,587.20

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Solution

The fourth proportional to 58,150.40, 87,225.60 and 28,587.20 is: 42,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,150.40 : 87,225.60 = 28,587.20 : x
  2. Step 2: Convert to fraction form
    58,150.40/87,225.60 = 28,587.20/x
  3. Step 3: Cross multiply
    58,150.40x = 87,225.60 × 28,587.20
  4. Step 4: Simplify right side
    58,150.40x = 2,493,535,672.32
  5. Step 5: Solve for x
    x = 2,493,535,672.32/58,150.40
  6. Step 6: Final answer
    x = 42,880.80

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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.