Home / 25,430.60-38,145.90-23,587.40

Finding the Fourth Proportional to 25,430.60, 38,145.90 and 23,587.40

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Solution

The fourth proportional to 25,430.60, 38,145.90 and 23,587.40 is: 35,381.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,430.60 : 38,145.90 = 23,587.40 : x
  2. Step 2: Convert to fraction form
    25,430.60/38,145.90 = 23,587.40/x
  3. Step 3: Cross multiply
    25,430.60x = 38,145.90 × 23,587.40
  4. Step 4: Simplify right side
    25,430.60x = 899,762,601.66
  5. Step 5: Solve for x
    x = 899,762,601.66/25,430.60
  6. Step 6: Final answer
    x = 35,381.10

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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.