Home / 32,420.84-48,637.13-15,780.86

Finding the Fourth Proportional to 32,420.84, 48,637.13 and 15,780.86

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Solution

The fourth proportional to 32,420.84, 48,637.13 and 15,780.86 is: 23,674.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,420.84 : 48,637.13 = 15,780.86 : x
  2. Step 2: Convert to fraction form
    32,420.84/48,637.13 = 15,780.86/x
  3. Step 3: Cross multiply
    32,420.84x = 48,637.13 × 15,780.86
  4. Step 4: Simplify right side
    32,420.84x = 767,535,417.24
  5. Step 5: Solve for x
    x = 767,535,417.24/32,420.84
  6. Step 6: Final answer
    x = 23,674.14

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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.