Home / 21,595.47-32,353.75-15,657.63

Finding the Fourth Proportional to 21,595.47, 32,353.75 and 15,657.63

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Solution

The fourth proportional to 21,595.47, 32,353.75 and 15,657.63 is: 23,457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595.47 : 32,353.75 = 15,657.63 : x
  2. Step 2: Convert to fraction form
    21,595.47/32,353.75 = 15,657.63/x
  3. Step 3: Cross multiply
    21,595.47x = 32,353.75 × 15,657.63
  4. Step 4: Simplify right side
    21,595.47x = 506,583,046.61
  5. Step 5: Solve for x
    x = 506,583,046.61/21,595.47
  6. Step 6: Final answer
    x = 23,457.84

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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.